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The optic nerve is a bundle of millions of fibers in the retina that sends visual signals to the brain. Damage and death of these nerve cells, or neurons, leads to characteristic features of optic neuropathy. The main symptom is loss of vision, with colors appearing subtly washed out in the affected eye.
Specialty. Ophthalmology, optometry. Anterior ischemic optic neuropathy (AION) is a medical condition involving loss of vision caused by damage to the anterior portion of the optic nerve as a result of insufficient blood supply (ischemia). This form of ischemic optic neuropathy is generally categorized as two types: arteritic AION (or AAION ...
Flash blindness is an either temporary or permanent visual impairment during and following exposure of a varying length of time to a light flash of extremely high intensity, such as a nuclear explosion, flash photograph, lightning strike, or extremely bright light, i.e. a searchlight, laser pointer, landing lights or ultraviolet light. [ 1 ]
8.7% global prevalence in 2020 [2] Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. [1] Early on there are often no symptoms. [1] Over time, however, some people experience a gradual worsening of vision that may ...
He explained that: “This vision loss can range from mild to severe. The condition can progress quickly, with most of the vision loss occurring within days to weeks of the onset of symptoms.”
Vision rehabilitation. Vision rehabilitation (often called vision rehab) is a term for a medical rehabilitation to improve vision or low vision. In other words, it is the process of restoring functional ability and improving quality of life and independence in an individual who has lost visual function through illness or injury. [1][2] Most ...
Corticosteroids [ 2] Chronic relapsing inflammatory optic neuropathy ( CRION) is a form of recurrent optic neuritis that is steroid responsive and dependent. [ 1] Patients typically present with pain associated with visual loss. [ 1] CRION is a clinical diagnosis of exclusion, and other demyelinating, autoimmune, and systemic causes should be ...
The lone defeat was a 23-13 loss to Ripon Christian in the second week of the season. El Capitan senior football player Elias Ruiz, 17, works out with teammates at El Capitan High School in Merced ...