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Progressive supranuclear palsy (PSP) is a late-onset neurodegenerative disease involving the gradual deterioration and death of specific volumes of the brain. [1] [2] The condition leads to symptoms including loss of balance, slowing of movement, difficulty moving the eyes, and cognitive impairment. [1]
Patients will move their heads to adjust for the loss of peripheral vision caused by inability to abduct or adduct the eye. All directions of gaze are affected; however, downward gaze appears to be best spared. This is in contrast to progressive supranuclear palsy (PSP), which typically affects vertical gaze and spares horizontal gaze.
Refractive errors, some of the most common types of vision problems, cannot be treated with medication, for example. Instead, glasses, contact lenses, and surgery are used to correct them as ...
An ocular manifestation of a systemic disease is an eye condition that directly or indirectly results from a disease process in another part of the body. There are many diseases known to cause ocular or visual changes.
A new review reports that nine people taking semaglutide and tirzepatide — the active ingredient in GLP-1 medications — experienced vision issues, including three potentially blinding eye ...
(H49-H50) Strabismus (Crossed eye/Wandering eye/Walleye) — the eyes do not point in the same direction (H49.3-4) Ophthalmoparesis — the partial or total paralysis of the eye muscles (H49.4) Progressive external ophthaloplegia — weakness of the external eye muscles (H50.0, H50.3) Esotropia — the tendency for eyes to become cross-eyed
Parinaud's syndrome is a cluster of abnormalities of eye movement and pupil dysfunction, characterized by: Paralysis of upwards gaze: Downward gaze is usually preserved. This vertical palsy is supranuclear, so doll's head maneuver should elevate the eyes, but eventually all upward gaze mechanisms fail. In the extreme form, conjugate down gaze ...
Life in quarantine can be tough on the eyes. Since early March, the average U.S. household is also watching about nine more hours of TV a week than before — with viewership rising from about 57 ...