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292 Possible Causes for Night Blindness, Scotoma

  • Glaucoma

    , nasal steps, altitudinal scotomas, focal defects e.g. paracentral scotomas (2) optic disc changes - localised or generalised thinning of the neuroretinal rim, enlargement[] A later edition used the modern spelling night blindness (1930 — ). 12 Translation of another work by Guillemeau used the term ectropion (1900 — ). 13 Long after his training[] If you suspect that you have acute glaucoma, call for medical assistance day or night.[]

  • Retinitis

    Three months later, his corrected VA was 20/20 with relative scotoma in Amsler grid, normal color vision, no scotoma in HVF 10-2 and unchanged SDOCT findings.[] In young patients with the symptom of night blindness, it is important to differentiate retinitis pigmentosa from stationary night blindness.[] A peripheral ring scotoma (detectable by visual field testing) widens gradually, and central vision may also be affected in advanced cases.[]

  • Retinitis Pigmentosa

    Measures of retinal function, such as the electroretinogram, show that photoreceptor function is diminished generally many years before symptomic night blindness, visual-field scotomas[] The left eye of the same patient revealed typical PPRCA phenotype, with no night blindness, normal field, and normal ERG.[] Visual fields normalized except for a mid-peripheral absolute concentric scotoma. Five years after discontinuation of LLLT, a relapse was observed.[]

  • Cataract

    The problem may be confirmed with wavefront analysis. there may a type of peripheral ring scotoma (section of vision missing), an optical problem from edge of the lens implant[] Symptoms include blurred, cloudy, or double vision; sensitivity to light; and difficulty seeing at night. Without treatment, cataracts can cause blindness.[] Deficiency of vitamin A can cause night blindness, xerophthalmia (dry eyes), dermatological problems and impairment of immune response.[]

  • Retrobulbar Neuritis

    It was characterized by decreased visual acuity, mid dilated pupil with sluggish reaction, normal optic disc and central scotoma in Humphrey visual field.[] Night blindness indicates rod dysfunction, although many patients with optic nerve dysfunction complain of particularly poor vision in dim light.[] The patient, however, had a Marcus Gunn pupil, decreased color vision, and a large central scotoma on visual field examination.[]

  • Diabetic Retinopathy

    Diabetes-Related Eye Problems The symptoms of diabetic retinopathy (DR) and other eye problems related to diabetes are: Fluctuating vision Eye floaters and spots Development of a scotoma[] A 39-year-old woman with typical retinitis pigmentosa (RP) for 9 years and a positive family history of night blindness was diagnosed with diabetes mellitus (DM).[] […] can include metamorphopsia (distortion of visual image), floaters, change in contrast sensitivity, photophobia (visual intolerance to light), changes in color vision, and scotomas[]

  • Goldmann-Favre Syndrome

    Microperimetry shows dense central scotoma with reduced sensitivity.[] She had also had night blindness since she was ten years old. At the eye examination, the vitreous was found to be degenerated in both eyes.[] Diagnosis was established by an early history of night blindness, characteristic clinical features including atypical pigmentary retinopathy, peripheral retinoschisis, opaque[]

  • Acute Zonal Occult Outer Retinopathy

    A 23-year-old man developed a rapid-onset, large, dense scotoma that was associated with a peculiar gray intraretinal ring corresponding to the edge of the scotoma and normal[] RESULTS: Sixteen patients (64%) presented with photopsias, 56% (14/25) with night blindness, and 56% (14/25) with loss of peripheral vision.[] Results Sixteen patients (64%) presented with photopsias, 56% (14/25) with night blindness, and 56% (14/25) with loss of peripheral vision.[]

  • Retinal Detachment

    RESULTS: A 41-year-old woman was referred with a 2-week history of decreased vision and scotoma in the left eye. She was in her sixth month of pregnancy.[] Night blindness followed by a loss of day vision are clinical signs common to most. There may also be an associated cataract formation.[] Macular degeneration is the leading cause of painless sudden vision loss in older patients, but the scotoma is central and the peripheral field is intact.[]

  • Hereditary Optic Atrophy

    Visual field testing reveals a central or cecocentral scotoma and color vision defects. In the acute phase the disc can be swollen and hyperemic.[] blindness Cystoid macular dystrophy EEM syndrome Early-onset X-linked optic atrophy Early-onset progressive neurodegeneration-blindness-ataxia-spasticity syndrome Ectopia[] A maternally linked genetic disorder that presents in mid-life as acute or subacute central vision loss leading to central scotoma and blindness.[]

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