Vitamin A Deficiency and Nyctalopia: - University of Iowa Vitamin A Deficiency and Nyctalopia: 55-year-old male with gradual onset of night blindness Brian Privett M D , Vinit B Mahajan M D , Ph D February 22, 2011 Chief Complaint: Night-blindness History of Present Illness: A 55-year-old male presented with a complaint of gradual onset, progressive night blindness over the past six months
Visual Snow Syndrome - University of Iowa This symptom often persists even with the eyes closed When accompanied by two of the four additional visual symptoms: palinopsia (persistence of an image after stimulus), enhanced entoptic phenomena (e g , floaters), photophobia and nyctalopia (poor night vision), the constellation is known as the visual snow syndrome [2]
Visual Snow Syndrome - webeye. ophth. uiowa. edu This symptom often persists even with the eyes closed When accompanied by two of the four additional visual symptoms: palinopsia (persistence of an image after stimulus), enhanced entoptic phenomena (e g , floaters), photophobia and nyctalopia (poor night vision), the constellation is known as the visual snow syndrome [2]
Atlas Entry - Retinitis pigmentosa (RP) - University of Iowa RP disease is rod-predominant photoreceptor degeneration, with late-stage atrophy of the cones and retinal pigment epithelium It presents early in life with nyctalopia as a common first symptom Visual field loss classically occurs in a ring-shaped scotoma with sparing of the central macula until late in the disease
Thyroid Eye Disesase, patient information - University of Iowa Thyroid eye disease (TED) is an inflammatory disease of the eye and the surrounding tissues The inflammation is due to an autoimmune reaction - the body's immune system is attacking tissues within and around the eye socket TED is sometimes referred to by other names, such as Graves' ophthalmopathy, Graves' orbitopathy, thyroid-associated ophthalmopathy, and or thyroid orbitopathy
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Atlas Entry - Birdshot chorioretinopathy A 43-year-old woman presented with progressive photophobia, new floaters, and nyctalopia in both eyes On posterior segment examination at presentation she had optic nerve swelling, perivenular sheathing, an multiple yellow deep choroidal lesions extending radially She also showed severe diffuse late leakage on fluorescein angiography
Torpedo Maculopathy - University of Iowa The patietn denied eye pain, photophobia or nyctalopia There was no known history of ocular trauma Past Ocular History None Past Medical History Unremakrable Medications Fluticasone Allergies None Family History: Non-contributory Social History: Non-contributory Review of Systems: Negative except for what is detailed in the history of present
Pentosan Polysulfate Maculopathy CLINICAL COURSE Based on the gradual visual decline and symmetric macular changes with characteristic fundus autofluorescence, the patient was diagnosed with presumed pentosan polysulfate maculopathy and asked to discontinue the medication She stopped the medication and returned 6 months later with relatively stable visual acuity in both eyes There was mild progression of the atrophic areas