Modification of the indirect ophthalmoscopic condensing lens.
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Biomedical subjects
Publications and source records attributed to G W Cleasby.
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A technique is presented for removal of subluxated or dislocated lenses (ectopia lentis), along with performance of vitrectomy. It is believed that this method permits avoidance or reduction of the hazards and complications of techniques used in the past.
Photographic documentation of enlargement of congenital hypertrophy of the retinal pigment epithelium is shown in a 42-year-old white woman. No other reports of enlargement have been made and previous articles have stated that these lesions do not grow.
In 20 patients idiopathic focal subretinal neovascularization was characterized by a solitary focus of subretinal neovascularization at or near the fovea, associated with serous or hemorrhagic detachment of the overlying and adjacent sensory retina, or both. Although the lesions resembled the neovascular membrane seen in the presumed ocular histoplasmosis syndrome, none of the other associated characteristic ophthalmoscopic findings, considered essential to make the latter diagnosis, were apparent. In this group of patients, the incidence of positive histoplasmin skin tests was no greater than in the general population. Of the 20 patients, two had bilateral disease. In no case were there any other lesions of any kind in the afflicted or the opposite eye. The disease is self-limited over a variable period of time, but may result in extensive scarring with loss of central vision.
A simplified method of performing peripheral visual field examination with the Krimsky Eyecup is described. This technique is compared with Goldman perimetry in a series of patients with a variety of ocular pathology. The peripheral visual fields obtained by these two methods compare closely.
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