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Frequency. ~2% (children) [ 3] Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [ 2] The eye that is pointed at an object can alternate. [ 3] The condition may be present occasionally or constantly. [ 3] If present during a large part of childhood, it may result in amblyopia, or ...
External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. [1] It is contrasted with internal fertilization , in which sperm are introduced via insemination and then combine with an egg inside the body of a female organism.
Heterotopia (medicine) In medicine, heterotopia is the presence of a particular tissue type at a non-physiological site, but usually co-existing with original tissue in its correct anatomical location. In other words, it implies ectopic tissue, in addition to retention of the original tissue type.
Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...
From Veterans Day to Christmas, here are the dates of the 2024 federal holidays. New Year’s Day: Monday, January 1. Birthday of Martin Luther King, Jr.: Monday, January 15. Presidents’ Day ...
Tu BiShvat ( Hebrew: ט״ו בִּשְׁבָט, romanized : Ṭū bīŠvāṭ, lit. '15th of Shevat') is a Jewish holiday occurring on the 15th day of the Hebrew month of Shevat (in 2024, Tu BiShvat begins at sunset on January 24 and ends in the evening of January 25). It is also called Rosh HaShanah La'Ilanot ( ראש השנה ...
Strabismus can occur due to problems with the muscles and nerves that control the eyes, as a side effect of an eye injury or other medical condition, or as a complication from significant far ...
Amblyopia, also called lazy eye, is a disorder of sight in which the brain fails to fully process input from one eye and over time favors the other eye. [ 1] It results in decreased vision in an eye that typically appears normal in other aspects. [ 1] Amblyopia is the most common cause of decreased vision in a single eye among children and ...