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Making oneself bleed, a type of hematolagnia. [ 22] The image of oneself in the form of an infant. [ 19] The image of oneself in the form of a child. [ 23] The image of oneself in the form of a plush. [ 23] The image of oneself in the form of a vampire. [ 24][ 25][ 26] Involves ingesting or seeing one's own blood.
Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye ), a white forelock or patches of light skin. These basic features constitute type 2 of the condition; in type 1, there ...
Baton Rouge, Louisiana, United States. One of the most widely distributed photos of the abolitionist movement . [ s 3] Execution of the Lincoln Conspirators at Washington Arsenal. 7 July 1865. Alexander Gardner. Washington, D.C., United States. [ s 1] Portrait of Sir John Herschel.
Treatment. Eyeglasses, contact lenses, refractive surgeries, IOL implantation [ 2] Frequency. ~7.5% (US) [ 5] Far-sightedness, also known as long-sightedness, hypermetropia, and hyperopia, is a condition of the eye where distant objects are seen clearly but near objects appear blurred.
Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.
Symptoms can appear within 10 hours of exposure, Shrewsbury said. "Bites may look like raised, red areas with a small central blister on the skin," she said. "The bites are itchy and may be ...
Underwater vision. Scuba diver with bifocal lenses fitted to a mask. Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors. Underwater, objects are less visible because of lower levels of natural illumination caused by rapid attenuation of light with distance passed through the water.
Not really. "Some people need glasses when they're young—before 45," explains , of Cleveland Clinic’s Cole Eye Institute. "If you don't need glasses before your 40s, chances are you will need ...