DOCTORS'
Medical Case Studies
DOCTORS'
Medical Case Studies
Visual acuity
Visual acuity
Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal focus within the eye and the sensitivity of the interpretative faculty of the brain. Visual acuity is a measure of the spatial resolution of the visual processing system and is usually tested in a manner to optimise and standardise the conditions. To this end, black symbols on a white background are used and a sufficient distance allowed to approximate infinity in the way the lens attempts to focus. Twenty feet, or six metres, is essentially infinity from an optical perspective (the difference in optical power required to focus at 20 feet versus infinity is only 0...
Visual acuity - List of case studies
- Diabetes Mellitus Type II, Dyslipidemia, Diabetic Retinopathy
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No details were provided regarding the visual acuity, recent ophthalmic exam, or recent imaging studies. In the absence ...
- Degenerative eye problems - Bilateral colloid degeneration
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spots and reduction of perception of luminosity in the visual field and complaints of a burning sensation on the sides of both eyes. ... Unfortunately no information is provided on the visual acuity in both eyes of the patient or the evaluation of the retina and ...
- NF-1 and optic nerve glioma – additional opinion
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ophthalmological evaluation that showed reduction in visual acuity and reduction of the bilateral visual field. MRI showed presence of a big expansive lesion and of temporopolar ...
- Optic Neuropathy
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disc swelling in the right eye in the setting of normal visual acuity and color vision. ... disc swelling in the right eye in the setting of normal visual acuity and color vision. However, it is unclear if this swelling is ...
- List of Symptoms
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tongue and palate Decreased motivation Decreased visual acuity Decreasing of sexual desire Deep asthenia Deep sleep ...
- Inflammatory Demyelinizing Disease
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presence of the classic centrocecal scotosis; the VEP (Visual Evoked Potentials) , in particular the P100, slightly increased in the ... (ON). Typical cases of which have not only reduced visual acuity but also a central scotoma, which was absent in this case. Also, it ...
- Neurofibromatosis type 1 - Ophthalmologic Exam is recommended
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right temporal arachnoid cyst, and optic glioma. Visual evoked potentials showed evidence of bilateral functional deficit. ... ophthalmologist, specifically measurement of visual acuity or assessment of visual fields . Such data are crucial (see ...
- Degenerative Maculopathy - additional opinion
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lady. She was examined on March 2008 by Dr. S. who found a visual acuity of 3/10 (6/20) in the right eye, and 6/10 in the left, and a normal ...
- Age Related Macular Degeneration and Polypoidal Choroidal Vasculopathy
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a large hemorrhage in the macula of the right eye . Visual Acuity was 0.2 in the right eye and 1.0 in the left eye. The left eye exam was ...
- List of Diseases and Conditions
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capacity Decreased pulmonary function Decreased visual acuity Deep invasion Deep vein thrombosis (DVT) Deep venous ...