منابع مشابه
Optic Disk Pit with Sudden Central Visual Field Scotoma
Purpose. To describe a case of optic disk pit (ODP) with sudden central visual field scotoma. Methods. A 49-year-old woman presented, reporting sudden painless central visual field loss 3 months prior to presentation. Neuroophthalmologic, systematic, and laboratory evaluation and full imaging processes were performed. Results. Fundoscopy and color photography demonstrated an optic disk pit infe...
متن کاملComparison of Risk Factors for Initial Central Scotoma versus Initial Peripheral Scotoma in Normal-tension Glaucoma
PURPOSE To investigate the risk factors for initial central scotoma (ICS) compared with initial peripheral scotoma (IPS) in normal-tension glaucoma (NTG). METHODS Fifty-six NTG patients (56 eyes) with an ICS and 103 NTG patients (103 eyes) with an IPS were included. Retrospectively, the differences were assessed between the two groups for baseline characteristics, ocular factors, systemic fac...
متن کاملCentral scotoma and 'muddled thinking' as migraine aura.
Dear Editor, We are very grateful to Professor Daroff, as well to our patients, for their goodwill in sharing with us their experience of aura. The letter by Professor Daroff (1) is a nice example of the fact that, in spite of contemporary technology, description of symptoms is the first and necessary step to answer the questions ‘why’ and ‘how’. We are in line with Professor Daroff when it com...
متن کاملAdaptation to a simulated central scotoma during visual search training
Patients with a central scotoma usually use a preferred retinal locus (PRL) consistently in daily activities. The selection process and time course of the PRL development are not well understood. We used a gaze-contingent display to simulate an isotropic central scotoma in normal subjects while they were practicing a difficult visual search task. As compared to foveal search, initial exposure t...
متن کاملAugmented Vision for Central Scotoma and Peripheral Field Loss
Electronic aids for the visually impaired using head mounted display devices were proposed by many and a few attempts at implementation have even made it to the market. Existing products provided mostly magnification and standard video contrast control. These products had only limited success and are usually not recommended for use in mobility. Other prototype devices provided image enhancement...
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ژورنال
عنوان ژورنال: American Journal of Ophthalmology
سال: 1922
ISSN: 0002-9394
DOI: 10.1016/s0002-9394(22)90819-0