نتایج جستجو برای: central scotoma
تعداد نتایج: 470554 فیلتر نتایج به سال:
OBJECTIVE To investigate the relation between foveal findings and visual function in eyes with a resolved idiopathic macular hole after vitreous surgery. METHODS We divided 28 eyes with postoperative idiopathic macular hole resolution into 3 groups based on postoperative biomicroscopic foveal findings of complete closure, partial closure, or atrophic closure. To evaluate foveal retinal functi...
The physiopathologic effects of oxygen, especially under hyperbaric conditions, on the retina and microcirculation were reviewed. The therapeutic effects of oxygen on ischemic (vascular) retinal disorders toere evaluated in 7 cases—2 with central retinal artery occlusion, one with exudative disciform retinopaihy, one with central serous retinopathy, and 3 with diabetic retinopathy. Whereas no d...
Purpose: To evaluate the efficacy of diode laser photocoagulation on the clinical course of patients with central serous retinopathy and to compare it with the effects of argon green laser in a similar group of patients. Methods: Thirty patients with type 1 unilateral central serous retinopathy were enrolled for the study. The patients were evaluated on parameters like best corrected visual acu...
OBJECTIVE To quantify the variability of scotomas detected by 10-2 visual field (VF) testing in patients taking hydroxychloroquine without and with retinopathy. DESIGN Retrospective review of clinical charts and visual fields. SUBJECTS Twenty-one patients taking hydroxychloroquine without retinopathy, and nine patients taking hydroxychloroquine and one patient taking chloroquine with retino...
Functional visual loss is a common problem encountered in practice. It must be recognized that this problem occurs in patients who have organic illness. Manual perimetry is the most effective method for evaluating functional visual loss, and the presence of a central scotoma in a functional visual field strongly suggests that organic pathology is present. Neuropsychological and psychiatric inte...
Dengue fever is common in the tropics and its clinical manifestations and complications are well-known. However, dengue-related ocular complications are rare. Here we present a postpartum female who complained of bilateral central scotoma, at five days after the clinical diagnosis of dengue fever. The ocular examination was suggestive of dengue maculopathy and foveolitis. She was treated with a...
A 26-year-old male vitiliginous patient presented with decreased visual acuity because of a central scotoma in the left eye with no significant retinal changes on fundus examination. In this case report, a diagnosis of possible drug-induced premaculopathy was made, and the drugs were withdrawn. On the follow-up, after 3 months, the visual acuity in the left eye gradually improved. Early suspici...
Sixty readers were evaluated for visual function and text-navigation ability. The visual field and preferred retinal locus (PRL) were measured with a scanning laser ophthalmoscope (SLO). We found significant differences in text-navigation ability based on scotoma and PRL placement. Readers with a PRL to the left of or above a scotoma had significantly less text-navigation abilities. Readers wit...
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