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20 Possible Causes for Iris Rigidity, Transillumination of the Iris

  • Exfoliation Syndrome

    Furthermore, prominent concentric, circular iris transillumination (grade 3) was only observed in XFS.[] […] stiffness and rigidity, and a smaller pupil.[] Iris flutter is another indirect sign of weak zonules, which hold the lens in place; however, sometimes the iris may be more rigid in pseudoexfoliation patients, so this clinical[]

  • Pseudoexfoliation Syndrome

    Poor mydriasis Iris rigidity Capillary hemorrhage Blood-aqueous barrier defects, pseudouveitis Anterior chamber hypoxia Posterior synechiae Miosis/poor surgical access Intra[] Loss of iris pigment and its deposition throughout the anterior segment are refl ected in iris sphincter region transillumination defects, loss of the pupillary ruff, pigment[] The iris in PEX can also appear rigid and resistant to contraction possibly due to fibrotic changes in the sphincter.[]

  • Low Tension Glaucoma

    […] thickness or rigidity.[] transillumination defects.[] transillumination defects, and increased pigmentation in the anterior chamber angle.[]

  • Secondary Glaucoma

    This was evidenced by characteristic transillumination defects in the iris. 3 In 1992, researchers suggested that posterior bowing of the peripheral iris was caused by reverse[] A rigid anterior chamber lens may maintain axial anterior chamber depth with iris ballooning around the edges of the lens making the periphery of the anterior chamber more[] .  Gonioscopy – pigment accumulation along the Schwalbe’s line especially inferiorly (Sampaolesi’s line)  Iris transillumination – radial slit – like transillumination defects[]

  • Iris Prolapse

    At worst, the iris can be traumatized, leading to increased postoperative inflammation, transillumination defects, iris distortion, and pupillary abnormalities, all of which[] The actual prolapse of the iris usually occurs during hydrodissection and can create transillumination defects, loss of iris tissue, iridodialysis, and hyphema.[] Here, the lens-iris diaphragm is pushed forward towards the cornea, on opening the globe. This makes any intraocular manipulation risky.[]

  • Iris Melanoma

    Additional features of ICE included corneal endothelial guttata-like changes in 33 (46%), corneal edema in 7 (10%), iris pigment epithelial transillumination defects in 12[] Mechanical modification of the silastic insert proved to be possible with the use of liquid nitrogen to keep the insert rigid during the milling process.[] Infrared transillumination Fluorescein angiography Treatment options for iris melanomas include: Observation Excision Enucleation Plaque radiotherapy Plaque radiotherapy is[]

  • Coralliform Cataract

    […] bombe虹膜膨隆9-2-1 iris nevus syndrome虹膜痣綜合征8-4-5 iris nodules虹膜結節9-2-1 iris transillumination defect虹膜徹照缺失8-4-2 ischemic缺血型11-2-2 ischemic optic neuropathy缺血性視神經病變12-3-2 J Jackson[] Crystalline cataract (miscellaneous) - multicolored opacities Initial IOPs were rigid and attached to iris (prohibited pupil dilation) Anterior chamber IOL (still used) -[] 電離輻射性白內障7-2-9 iridectomy虹膜切除術8-3-1 iridenclesis虹膜嵌頓術8-3-1 iridescent granule彩虹色的8-4-6 iridocorneal-endothelial syndrome虹膜角膜內皮綜合征8-4-5 iridodonesis虹膜震顫7-2-2 iridotomy虹膜切開術8-3-1 iris[]

  • Congenital Iris Coloboma

    […] epithelium and deposition of iris pigment on anterior segment structures. 1 The classic triad of findings includes Krukenberg spindle, iris transillumination defects, and[] View Article : Google Scholar : PubMed/NCBI 9 Chung MY, Miller KM and Weissman BA: Morcher iris reconstruction lens and rigid contact lens for traumatic aniridia.[] Morcher iris reconstruction lens and rigid contact lens for traumatic aniridia. Eye Contact Lens. 2009;35:108-110. 6. Aldave AJ, Baghdasaryan E, Miller KM.[]

  • Posterior Synechiae

    Tugal–Tutkun, Onal S, Garip A et al., Bilateral acute iris transillumination, Arch Ophthalmol,2011;129(10):1312–9.[] A small pupil A small, rigid pupil poses a problem in both ECCE and SICS. Any unnecessary manipulation of the iris can result in a small pupil.[] transillumination defects. 10 Radial midperipheral transillumination defects occur in PDS.[]

  • Aniridia

    This case report describes a patient who was rehabilitated with a custom rigid gas permeable contact lens after Morcher iris reconstruction lens implantation.[] The pupil size may be normal, but there may be loss of the iris surface architecture or the presence of iris transillumination. [1] [3] [16] Other iris changes include partial[] Morcher iris reconstruction lens and rigid contact lens for traumatic aniridia. Eye Contact Lens . 2009;35(2):108-11019265334 PubMed Google Scholar 4.[]

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