Ichthyosis and crystalline maculopathy.
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Biomedical subjects
Publications and source records attributed to M P Teske.
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Phacoemulsification combined with pars plana vitrectomy was performed on seven patients with both cataracts and vitreoretinal disease. Six of the seven had a posterior chamber intraocular lens (PC-IOL) placed in the capsular bag following cataract extraction. Visual acuities ranging from light perception to hand movement preoperatively, postoperatively ranged from hand movement to 20/25. There were no perioperative complications. During an average follow-up of more than 6 months, neovascular glaucoma developed in one patient, and a conjunctival cyst in another. The PC-IOLs were well tolerated. The small limbal incision used in phacoemulsification allows better control during the vitrectomy procedure and ensures a water-tight wound. In addition, with the limbal approach, the posterior lens capsule is maintained, with all the attendant advantages.
Four patients with rheumatoid arthritis had cataract extraction with implantation of an intraocular lens (IOL). Postoperatively three patients developed progressive scleromalacia perforans. All three cases required patch grafting of the sclera and two of them developed progressive melting of the sclera and graft. The fourth case involved progressive corneal melting with extrusion of the IOL despite treatment with penetrating keratoplasties. All four cases developed retinal detachments with loss of vision and three of the eyes were subsequently enucleated. We describe each case and discuss the clinicopathologic correlations of this condition. The need for careful evaluation of rheumatoid arthritis patients with cataract surgery and IOL implantation is emphasized.
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Retinal arterial macroaneurysms represent a distinct clinical entity. Macroaneurysms are seen in the elderly with a marked female predominance and a strong association with hypertension and arteriosclerotic vascular changes. The classic appearance provides an easy diagnosis; however, variable presentations, such as subretinal hemorrhage, macular exudate, and epiretinal membranes can make the diagnosis difficult. The differential diagnosis of retinal arterial macroaneurysms include retinal telangiectasia, angiomatosis retinae, venous macroaneurysms, background diabetic retinopathy, and cavernous hemangioma. The clinical characteristics of the reported cases are summarized, and our series of 60 patients is presented. The natural history of most macroaneurysms is spontaneous involution without loss of vision. However, visual loss may occur secondary to macular edema, exudate, hemorrhage and neurosensory retinal detachment, and photocoagulation may expedite visual recovery. Photocoagulation treatment may be applied directly to the macroaneurysm, indirectly by surrounding the macroaneurysm, or as a combination of these two methods.