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Blurred vision. Blurred vision is an ocular symptom where vision becomes less precise and there is added difficulty to resolve fine details. Temporary blurred vision may involve dry eyes, eye infections, alcohol poisoning, hypoglycemia, or low blood pressure. Other medical conditions may include refractive errors such as myopia, high ...
Medical genetics, ophthalmology. Congenital cataracts are a lens opacity that is present at birth. Congenital cataracts occur in a broad range of severity. Some lens opacities do not progress and are visually insignificant, others can produce profound visual impairment. Congenital cataracts may be unilateral or bilateral.
Ophthalmology. Intraoperative floppy iris syndrome ( IFIS) is a complication that may occur during cataract extraction in certain patients. This syndrome is characterized by a flaccid iris which billows in response to ordinary intraocular fluid currents, a propensity for this floppy iris to prolapse towards the area of cataract extraction ...
Childhood cataracts are the primary cause of childhood blindness. [4] Childhood cataracts make up 7.4% to 15.3% of blindness in kids. [4] The prevalence of childhood cataracts ranges from 0.63/10,000 to 9.74/10,000 children, with a median of 1.71. [6] This is dependent on factors like economic status but not gender or laterality. [6]
A lobotomy (from Greek λοβός (lobos) 'lobe', and τομή (tomē) 'cut, slice') or leucotomy is a discredited form of neurosurgical treatment for psychiatric disorder or neurological disorder (e.g. epilepsy, depression) that involves severing connections in the brain's prefrontal cortex. [2] The surgery causes most of the connections to ...
Coarse bokeh on a photo shot with an 85 mm lens and 70 mm entrance pupil diameter, which corresponds to f / 1.2 An example of a portrait photo (of Katherine Maher).Note the 'swirly' bokeh. How the bokeh varies with the aperture. In photography, bokeh (/ ˈ b oʊ k ə / BOH-kə or / ˈ b oʊ k eɪ / BOH-kay; Japanese:) is the aesthetic quality of the blur produced in out-of-focus parts of an ...
All the Light We Cannot See is a 2014 war novel by American author Anthony Doerr.The novel is set during World War II.It revolves around the characters Marie-Laure LeBlanc, a blind French girl who takes refuge in her great-uncle's house in Saint-Malo after Paris is invaded by Nazi Germany, and Werner Pfennig, a bright German boy who is accepted into a military school because of his skills in ...
