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Optical iridectomy indications

Suchst du nach Optical In? Entdecke aktuelle Angebote hier im Preisvergleich. Hier findest du Super Preise und kannst richtig viel Geld sparen. Jetzt Preise vergleiche ONEattraction of Ophthalmic Surgery, a compensationforitsfickleness, lies in the sight-giving operations, lens extraction, andoptical iridectomy, whichare moredramaticin their results thanthose sayfor chronic glaucomawhichare but a brake ona pro-gressive disease OPTICAL IRIDECTOMY, INDICATIONS, METHOD AND VALUE. Optical iridectomy in children with corneal opacities. Sundaresh K, Jethani J, Vijayalakshmi P. J AAPOS, 12(2):163-165, 26 Dec 2007 Cited by: 3 articles | PMID: 18155942. Outcome of optical iridectomy in Peters anomaly. Spierer O,. This is a PDF-only article. The first page of the PDF of this article appears above Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (843K), or click on a page image below to browse page by page

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  1. Aside from decreased visual acuity, one of the indications f o r optical iridectomy may be a form o f night blindness. Patients with sharply circumscribed central lens opacities, such as zonular cataracts, may not present with decreased visual acuity as their com plaint but, instead, find that facing a bright light temporarily blinds them
  2. THE BRITISH JOURNAL OF OPHTHALMOLOGY OPTICAL IRIDECTOMY, INDICATIONS, METHOD ANDVALUE BY J. FOSTER, F.R.C.S. WEST HARTLEPOOL ONE attraction of Ophthalmic Surgery, a.
  3. Laser peripheral iridotomy (LPI) is indicated to prevent or overcome a suspected relative pupillary block by creating an alternative pathway for aqueous flow
  4. Optical Iridectomy: This type of iridectomy is performed for the purpose of improving vision by enlarging the existing pupil or creating an artificial pupil, in cases of central opacity of the..
  5. Introduction Laser peripheral iridotomy (LPI) is indicated in case of suspected or clinically confirmed pupillary block (Figure 1). Moreover, LPI is used to prevent acute or chronic anterior chamber1,2. Fig. 1 UBM in dark conditions, where iridotrabecularar apposition in a case of PACG can be observed. LI is the standard first-line treatment for ocular hypertension or primar
  6. Laser peripheral iridotomy is the standard first-line treatment in closed angle glaucoma and eyes at risk for this condition. It has been used since 1984 both as treatment and prevention of the disease
  7. The most common indication for optical iridectomy was congenital corneal opacities (n = 11), including 3 (13.6%) with sclerocornea and 4 (18.2%) with Peters anomaly. Other indications included healed keratomalacia, healed keratitis, limbal dermoid, and corneal dermoid (Table 1). Table 2. Table 1
Corneal opacity

Optical Iridectomy, Indications, Method and Value

Iridectomy. ICD-10 code: ICD-9 code: 12.1. MeSH. D032801. Other codes: An iridectomy, also known as a surgical iridectomy or corectomy, is the surgical removal of part of the iris. These procedures are most frequently performed in the treatment of closed-angle glaucoma and iris melanoma In penetrating corneal grafts a patent iridotomy or iridectomy, or several, is a safety factor avoiding the consequences of pupillary block, anterior synechiae and irreducible mydriasis. Another important problem is the surgery of the iris for optical purposes. Other indications which are not discussed in this paper are trauma of the anterior.

following clinical questions: indication, age, visual acuity (VA), and intraocular pressure (IOP). Result: One case series and two case reports demonstrating the use of optical iridectomy in Peters anomaly were identified. In total, 26 patients aged one week to 7.7 years received optical iridectomy to establish a clear visual axis INDICATIONS The AcrySof™ IQ Vivity™ Extended Vision IOL Model DFT015 is indicated for primary implantation reference optical A-Constant anticipates the use of both corneal power and axial length values from replacement, vitreous aspiration or iridectomy for pupillary block, wound leak repair, and retinal detachment repair. 4. It is. At the end of the laser peripheral iridotomy surgery, the contact lens is removed and the eye rinsed out. Another eye drop may then be given. Your eye pressure will be checked 30-60 minutes after the procedure is completed. After your iridotomy, you may notice some blurry vision, mild discomfort, or a foreign body sensation in your eye An optical iridectomy is the surgical removal of part of the iris to enlarge the existing pupil, or to form an artificial pupil, when the natural pupil is ineffective. A peripheral iridectomy is a surgical removal of part of the iris in its root region, leaving the pupillary margin and the sphincter muscle intact pupillae

OPTICAL IRIDECTOMY, INDICATIONS, METHOD AND VALUE - Europe

PI Peripheral iridectomy/iridotomy PK Corneal Graft (Penetrating Keratoplasty) PMF Premacular Fibrosis PO or per os Orally, by Mouth POAG Primary Open Angle Glaucoma PP Pars Planitis PPV Pars Plana Vitrectomy PPVD Painless Progressive Decrease of Vision PR Pneumatic Retinopexy PRN As Needed PRP Pan Retinal Photocoagulatio Optical iridectomy was but one of these; others aimed at iridectomy combined with the newly described operation of tenotomy, to bring the eye into a central position. Tattooing of the cornea was revived by de Wecker in 1872, after a chequered career; it had been practised by Galen, condemned by Aetius, resurrected by Guy de Chauliac in the 14th.

ICD-10 codes not covered for indications listed in the CPB: H43.391 - H43.399: Other vitreous opacities: H43.811 - H43.819: Vitreous degeneration: Nd: YAG laser peripheral iridotomy: CPT codes covered if selection criteria are met : 66761: Iridotomy/iridectomy by laser surgery (eg, for glaucoma)(per session) ICD-10 codes covered if selection. One study advocates performing laser iridectomy in patients with intumescent cataract prior to cataract surgery to prevent an acute angle closure glaucoma attack on the operating table.1 Due to this danger, if the surgeon plans to operate on this type of patient, the patient should be the first case that day, because as the pupil starts. The crystal is an optical dielectric that exhibits a non-linear 5.3. Indications for Use The NGL is indicated for use in photocoagulation of both anterior and posterior segments of the eye including: * Retinal Photocoagulation, panretinal photocoagulation and intravitreal * Iridotomy/Iridectomy for treatment of Chronic/Primary Open.

The optical center of a lens is that place of the lens that does not contain unwanted prism. It is the point detected on the lensmeter where the rays of light come into focus. The optical center should be in line with the eye. The mechanical center is the geographic center, and in a perfectly round lens it coincides with the optical center bandage. On reduction of the staphyloma iridectomy or tre-phining with iridectomy is done for restoration of vision. Cataract. Both methods (intra- and extra-capsular) are adopted accord-ing to indications. During the past year there has not been a single case of iris prolapse or of sepsis or of large escape of vitreous. By washing the eyes. Iridectomy; Surgical removal of a portion of the iris facilitates drainage of aqueous humor through a newly created opening in the iris connecting to normal outflow channels. Note: Bilateral iridectomy is performed because glaucoma usually develops in the other eye. Postoperative care after peripheral iridectomy includes cycloplegic eye drops

A study of the indications for keratoplasty in New Zealand reported that 16% of the cases were for congenital corneal disorders (Patel et al, 2005). In resource-limited eye units, the main treatment option may be to do an optical iridectomy so that some vision can be stimulated through the clear area of the cornea CPT codes not covered for indications listed in the CPB: 66830 - 66984: Removal of cataract: Other CPT codes related to the CPB: 65710 - 65775: Keratoplasty: 65820: Goniotomy: 66761: Iridotomy/iridectomy by laser surgery (eg, for glaucoma) (per session) 92020 : Gonioscopy (separate procedure) 92100 - 92130: Serial tonometry and tonograph

Optical Iridectomy - ScienceDirec

Optical iridectomy is a viable treatment option in cases in which the corneal opacification is central and the peripheral cornea is sufficiently clear for the creation of an optical window. 1,2 Various techniques for creating an iridectomy have been described, including forceps assisted and laser assisted. 3-5 We describe a technique that uses an automated vitrector to create an optical. Indications for Use Glaucoma Selective Laser Trabeculoplasty Laser Iridotomy and iridectomy laser lenses, footswitch, five-position magnification changer, beam splitter, 35 mm camera provides you with more consistent optical breakdown, which is ideal for meeting new challenges in posterior capsulotom The Nd:YAG laser at 4 mJ created new iridotomies with permanent relief of the iris bombé and pressure elevation. The pupillary membrane was cleared by the Nd:YAG laser. Figure 1. (A) Recurrent pseudophakic pupillary block with iris bombé after endophthalmitis and closure of argon laser iridectomy

IRIDECTOMY, INDICATIONS, iridectomy,3'4'9 Optical

Symbol DISCUSSION. The use of a vitrector to perform an iridectomy has been described in patients with iridoschisis having cataract surgery, 2 to create an optical iridectomy in patients with leucomatous corneal opacities, 3 for the biopsy of anterior segment tumors, 4,5 and, more recently, in patients with narrow-angle glaucoma. 6 If surgical iridectomies are too large or insufficiently. An optical iridectomy is the surgical removal of part of the iris to enlarge the existing pupil, or to form an artificial pupil, when the natural pupil is ineffectual. [2] A peripheral iridectomy is the surgical removal of a portion of the iris in the region of its root, leaving the pupillary margin and sphincter pupillae muscle intact. [2 Indications for Surgery. The primary indication for surgery is visual function that no longer meets the patient's needs and for which cataract surgery provides a reasonable likelihood of improved vision. Other indications for a cataract removal include the following: There is clinically significant anisometropia in the presence of a catarac Deliver the visual quality that allows your patients with and without astigmatism to see clearly in any lighting condition. High-quality distance vision in the presence of astigmatism 1; Pupil-independent performance enables optimal performance in any lighting condition 1; Low overall spectacle wear 1; The TECNIS Symfony TM IOL delivers 20/20 or better vision through 1.5 D of astigmatism.

• The indication for surgery in patients with Peters anomaly is controversial—considerations include whether monocular or binocular, age, and visual prognosis [C]. • Keratoplasty - Optical iridectomy (sector) has been used as an alternative to penetrating keratoplasty Indications: usually performed as a part of other cataract or glaucoma operations / or in the treatment of PCAG (In prodromal stage, in cases controlled medically before PAS occur and prophylactic against acute attack in the other eye). 4. Visual iridectomy (Optical iridectomy):. A trabeculectomy is a surgical procedure to treat glaucoma. Glaucoma occurs when the fluid your eye produces, called aqueous humor, is unable to drain normally

Cataract surgery in children with congenital

Indications for keratoplasty have increased with the improvement of surgical techniques and therapies. In children, keratoplasty allows for satisfying anatomical success but moderate visual improvement. For patients with a clear peripheral cornea, peripheral optical iridectomy may be performed. Previous Next: Consultations.. Cornea excision 108143005. Iridectomy with corneal section, optical 18405007. SNOMED CT Concept 138875005. Procedure 71388002. Procedure by site 362958002. Procedure on organ 118717007. Procedure on anterior segment of eye 118908002. Procedure on iris 118900009. Operative procedure on iris 89038007 A sector iridectomy, also known as a complete iridectomy or total iridectomy, is the surgical removal of a complete radial section of the iris extending from the pupillary margin to the root of the iris. A key-hole pupil is left by the removal of a wedge-shaped section of iris. A stenopeic iridectomy is the surgical removal of a narrow slit or. ECTOPIA LENTIS Presenter: Dr. Rujuta Gore Moderator: Dr. Suhas Haldipurkar Dr. Prakash Chipade. 2. Introduction Ectopia lentis is defined as displacement or malposition of the crystalline lens of the eye Berryat described the first reported case of lens dislocation in 1749, and Stellwag subsequently coined the term ectopia lentis in 1856 Optical sector iridectomy in cases of corneal opacities is an alternative to corneal transplant that is a simple and safe procedure to improve visual outcomes and provide ambulatory vision to patients, particularly in eyes with poor prognosis for penetrating keratoplasty. 2

Laser Peripheral Iridotomy - EyeWik

a Study 1: Ozurdex ®, N=163; Sham, N=165. b Study 2: Ozurdex ®, N=165; Sham, N=163. c 14% (16.8% from Ozurdex ® and 12.2% from Sham) of patients had BCVA outcome at Month 39, for the remaining patients, the data at Month 36 or earlier was carried forward.. Visual acuity outcomes by lens status (Phakic or Pseudophakic) at different visits are presented in Figure 2 and Figure 3 Optical ACD measurement was possible in 1650 (96.1%) of the 1717 subjects. Among the 67 subjects for whom measurement was impossible, 8 had cases of PACG, 1 had PAC, 2 were PAC suspects, and 56 were classified as normal. The distribution of optical true ACD in the population is shown in Figure 1, highlighting people with PACG and PAC and PACS. INDICATIONS AND USAGE. To obtain miosis of the iris in seconds after delivery of the lens in cataract surgery, in penetrating keratoplasty, iridectomy, and other anterior segment surgery where rapid miosis may be required. CONTRAINDICATIONS. Miochol-E is contraindicated in persons with a known hypersensitivity to any component of this product. Eyes with corneal scar (eight eyes) had best corrected visual acuity less than 6/18 (ranging from 3/60 to 6/18). Four eyes with optical iridectomy achieved a best corrected visual acuity of 6/60. Four of the seven optical grafts (57.14%) remained clear at a mean follow up of 6.43 (3.64) months (range 3-12 months)

After optical iridectomy, both anatomic and visual development success were obtained as a red reflex was established and the patient developed fixation behavior. Fig. 2. Anterior segment optical coherence tomography (AS-OCT) of the right eye showing central corneal thinning with a central Descemet detachment and an absence of corneal-lenticular. Q-switched neodymium-YAG laser iridectomy was performed in sixty eyes with pupillary-block angle closure glaucoma. Single pulse energy levels were more than 6mJ and multi-pulses were more than 4OmJ. The power settings consisted of a burst of 3 pulses (average). The curative successful rate by one to three times was I 00% The authors report initial clinical experiences using a Nd:YLF ps laser for the treatment of various indications for photodisruption. METHODS —A Nd:YLF laser system (ISL 2001, wavelength 1053 nm) was used to apply pulse series of 100-400 µJ single pulse energy at a repetition rate of 0.12-1.0 kHz However, the indications for surgery may affect the outcomes. large pupil size may lead to optical disturbances from the edges of the optic and the haptics, and safe enclavation of the haptics may be practically challenging. which warrants the need for a peripheral iridectomy in all cases of ICIOL implantation to prevent pupillary block. Purpose . Evaluation of the indications, anatomical and functional results, and complications of total penetrating keratoplasty (TPK) in disorders involving whole cornea. Materials and Methods . We analyzed outcomes of the surgical treatment of 47 eyes of 46 patients that underwent TPK. Indications were infectious keratitis, autoimmune disease, injury of the eyeball (mainly chemical burns.

Therapy of uveal melanoma aims to preserve the eye and its function and to avoid metastatic dissemination. The treatment choice is difficult and must keep into account several factors; the therapeutic strategy of uveal melanoma should therefore be personalized, sometimes requiring to combine different treatment techniques. Nowadays globe-sparing radiotherapy techniques are often preferred to. Pediatric penetrating keratoplasty is different from adult penetrating keratoplasty with respect to pre-, intra- and post-operative care. Patient selection is the most important step in pediatric. Figure 1 An 88-year-old woman presented with a recurrence of malignant glaucoma in her right eye 4 months after pars plana vitrectomy. Notes: Slit lamp photograph (A), and anterior segment optical coherence tomography image (B) before peripheral iridectomy and local zonulectomy.The anterior chamber disappeared, and the iris was thoroughly in contact with the corneal endothelium Vitrectomy is a surgery to remove some or all of the vitreous humor from the eye.. Anterior vitrectomy entails removing small portions of the vitreous humor from the front structures of the eye—often because these are tangled in an intraocular lens or other structures.. Pars plana vitrectomy is a general term for a group of operations accomplished in the deeper part of the eye, all of which. When laser trabeculoplasty or iridectomy is unsuccessful, some patients undergo shunting AND progression of optic nerve changes by optical coherence tomography (OCT) Heidelberg retinal tomography (HRT), or scanning laser polarimetry changes after a minimum considered investigational and not medically necessary for all indications.

Abraham Capsulotomy

Indications. The Bausch + Lomb VITESSE ® handpiece packs are intended for use with a Stellaris Elite ® vision enhancement system to remove vitreous humor, lens tissue and other material from the posterior segment of the eye using ultrasound energy and aspiration during a typical or atypical surgery Iridectomy is mainly performed to treat closed-angle glaucoma, which is a medical condition where the pressure inside your eye becomes too high than its normal pressure. Closed-angle glaucoma is much less common than open-angle glaucoma. In fact, around 90 percent of all glaucoma cases are open-angle glaucoma. People with closed-angle glaucoma.

Iridectomy Iridotomy - Types, Risks, Complications

Tonometers measure the internal pressure of the eye and tonometry is one of the principal tests for glaucoma, but until relatively recently their use in the eye examination was far from routine. A patient's intraocular pressure (IOP) should normally be 15. Any reading in the region of 21 or 22 signifies an increased likelihood that the patient will go on to develop glaucoma optical path, and focuses them onto the same optical plane - offering optimized visualization and illumination of the vitreous. This is of particular importance when aiming at floaters, as it greatly minimizes the potential for focusing errors, and the risk of damage to the natural lens or the retina Ophthalmic Lasers: Settings and Videos. These settings are general recommendations. Your technique, laser devices, practice patterns or patient population may require different settings. Argon laser: pre-treatment for thick irises 500-800mW, 50 um, 100ms, 10-50 shots A vitrectomy is a type of eye surgery that treats problems with the retina or the fluid in the eye called the vitreous. Find out how it's done, recovery time, risks, and more An optical iridectomy is the surgical removal of part of the iris to enlarge the existing pupil, or to form an artificial pupil, when the natural pupil is ineffectual. [ 1 ] A peripheral iridectomy is the surgical removal of a portion of the iris in the region of its root, leaving the pupillary margin and sphincter pupillae muscle intact. [ 1

Ectopia lentis edit

When should prophylactic Laser Peripheral Iridotomy be

A 10mm diameter, 66D magnifying button in the anterior surface of the lens Therapeutic keratoplasty for infectious keratitis: Microbial keratitis is the most common indication for therapeutic keratoplasty 3-4.Even with a better understanding of the pathology of corneal disease and continuing advances in medical management, there remain cases that do not respond to maximal medical therapy 5-15.Also, the facilities for basic investigations and appropriate medical. Research Article Total Penetrating Keratoplasty: Indications, Therapeutic Approach, and Long-Term Follow-Up Katarzyna Krysik ,1 Ewa Wroblewska-Czajka,2 Anita Lyssek-Boron,1 Edward A. Wylegala,2,3,4 and Dariusz Dobrowolski 1,2,3 1Department of Ophthalmology with Pediatric Unit, St. Barbara Hospital, Trauma Center, Medykow Square 1, 41-200 Sosnowiec, Polan

Laser Iridotomy: Frequently Asked Questions Glaucoma

It is defined as an optical aberration in which parallel light rays from a distant image are getting focused on a point anterior to the retina. Hereditary and environmental factors both play an important role in the development of myopia. 2.4 Indications and preoperative preparation for refractive surgery. peripheral iridectomy or. Volk Iridectomy Lens. Contact us for Price & Availability Request a Quote (888) 781-4458. This Volk lens is ideal for laser iridotomy procedures. Patented double aspheric glass optics provide enhanced imaging. Highest magnification imaging of the iris. Laserwindow® protects imaging element from contamination ensuring precise laser spot placement Although it is a relatively rare disease, primarily found in the Caucasian population, uveal melanoma is the most common primary intraocular tumor in adults with a mean age-adjusted incidence of 5. Another indication for pupilloplasty is when a patient has an iridectomy that is visually significant, he said. Sometimes if it's placed in the wrong spot, patients can have significant glare. States. If you use the IQ 577 for indications not includ ed herein, you will be subj ect to 21 CFR Part 812, the Food and Drug Administration's Investigational Device Exemption (IDE) regulations. For information regarding the regulatory status of indications other than those listed in this manual, contact IRIDEX Regulatory Affairs

Optical iridectomy in children with corneal opacities

Indications for conversion: Conversion to ECCE is indicated when phacoemulsification is failing. Sometimes this is due to a very hard lens which does not submit to ultrasound or a lens that is hard enough that the surgeon is concerned that the required ultrasound energy will harm a tentative cornea (e.g. Fuchs' endothelial dystrophy or posterior polymorphous dystrophy [PPMD]) Ocular OAIY Abraham Iridectomy YAG Laser Lens. A 10mm diameter, 66D magnifying button in the anterior surface of the lens is positioned over the peripheral iris to give a clear view of the iridectomy site. Laser efficiency is increased compared with using no lens. The lens also helps stabilize the patient's eye and retains the eye lids

Iridectomy - procedure, recovery, test, blood, removal

Iridectomy is a procedure of making an opening in iris(black part of the eye). It is done for many reasons. Peripheral Iridectomy- Surgical or iridotomy laser. The vitreous humor is a transparent, colorless, jelly-like, hydrophilic gel, which helps in maintaining the transparency and structure of the eye. Its volume in an adult eye is around 4ml, which is nearly 80% of the globe. It is composed of 98 to 99% water, and the rest is collagen, hyaluronic acid, and electrolytes Introduction. Laser iridotomy (LI) is a well-established procedure for the treatment and prevention of angle-closure glaucoma (ACG), (Ritch & Podos 1980; Quigley 1981), which accounts for nearly half of glaucoma blindness worldwide (Quigley 1996).It eliminates the posterior-anterior pressure difference across the iris, (Quigley et al. 2003) and is effective in widening the drainage angle and. Summary. Glaucoma is a group of eye diseases associated with acute or chronic destruction of the optic nerve with or without concomitant increased intraocular pressure ().In the US, glaucoma is the second leading cause of blindness in adults following age-related macular degeneration ().The two main types are open-angle glaucoma and angle-closure glaucoma INDICATIONS FOR USE: The GRIESHABER ® DSP Aspheric Macular Lens is used to visualize the fundus and retinal structures during vitreoretinal surgery. It is designed as a self-retaining contact lens to allow hands-free operation. CAUTION: Federal (USA) law restricts this device to sale by, or on the order of, a physician. WARNINGS AND PRECAUTIONS: The device may be used only by well trained.

Iridectomy - Wikipedi

Diagnosis. Treatment. Glaucoma is usually picked up during a routine eye test, often before it causes any noticeable symptoms. Other tests are usually needed afterwards to diagnose and monitor the condition. It's important to have regular eye tests so problems such as glaucoma can be diagnosed and treated as early as possible Special Indications for the Use of Phakic IOLs. Posterior chamber phakic IOLs can be used in patients with stable keratoconus and other indications beyond myopia and myopic astigmatism. Alaa El Danasoury, MD, FRCS. Phakic IOLs were relatively slow to gain wide acceptance among ophthalmic surgeons after the introduction of designs in the 1980s Optical coherence tomography (OCT) is widely used in the diagnosis and treatment of glaucoma because of its real-time, high-resolution, non-invasive, and safe characteristics . OCT uses light instead of ultrasound, and can reach a resolution of 8 µm, increasing the understanding of the structure and function of the omentum ( 4 ) Today, phakic IOLs represent only a small part of refractive surgery indications. However, because of their optical qualities and their theoretical and practical advantages, as well as the contraindications and limitations of LASIK, I initially believed that these implants would make up approximately 20% to 30% of the refractive surgery market Indications. Indications for indocyanine green angiography include: Choroidal neovascularisation (CNV):Indocyanine green angiography is widely used to study choroidal neovascularization in patients with exudative age-related macular degeneration. In ICGA, CNV is seen as hyperflourescent spot or plaque

Although optical correction in patients with aphakia can be managed with contact lenses or spectacles, Peripheral iridectomy was first introduced by Albrecht Von Graefe in 1857 indications and outcomes during long-term follow-up at a tertiary eye care center Eye 2016 30 9 1260 1265 10.1038/eye.2016.170 2-s2.0-85016093918 3 Plager D. A. The cornea is a transparent avascular structure that protects structures inside the eye and contributes to two-thirds of its refractive power. The cornea is convex, has a diameter of approximately 11.5 mm, and increases in thickness from the center (550-565 μm) to the periphery (610-640 μm). [16] The cornea is densely innervated by long. Optical Iridectomy: 216: 108. Optical Iridectomy: 216: 109. Optical Iridectomy: 217: 110. The Normal Angle of the Anterior Chamber: 217: Indications. The operative treatment of extra-uterine gestation depends mainly on the stage at which it is required. When a gravid tube is detected before rupture, the operation is practically that of. Laser iridectomy is the procedure of choice in all forms of angle-closure glaucoma in which the pupillary block mechanism exists. The indications for laser iridectomy have replaced most of the indications for a surgical iridectomy . Currently, most residents do not get the opportunity to see or perform a surgical iridectomy, and this is a.