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In ophthalmology, horror fusionis is a condition in which the eyes have an unsteady deviation, with the extraocular muscles performing spasm-like movements that continuously shift the eyes away from the position in which they would be directed to the same point in space, giving rise to diplopia. Even when the double vision images are made to nearly overlap using optical means such as prisms ...
Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex. Light will be bent towards the base and the image will be shifted towards the apex. In an eyeglass prescription, the base is typically specified as up, down, in, or out, but left and right are also ...
Strabismus can occur due to muscle dysfunction, farsightedness, problems in the brain, trauma, or infections. [3] Risk factors include premature birth, cerebral palsy, and a family history of the condition. [3] Types include esotropia, where the eyes are crossed ("cross eyed"); exotropia, where the eyes diverge ("lazy eyed" or "wall eyed"); and hypertropia or hypotropia where they are ...
The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1] Manifest is defined by the eye deviating constantly or intermittently ...
Chris Hemsworth and Elsa Pataky. Ernesto Ruscio/Getty Chris Hemsworth’s wife, Elsa Pataky, makes a surprise cameo in Furiosa: A Mad Max Saga, playing not one but two characters. Hemsworth, 40 ...
The Maddox rod test can be used to subjectively detect and measure a latent, manifest, horizontal or vertical strabismus for near and distance. The test is based on the principle of diplopic projection. [1] Dissociation of the deviation is brought about by presenting a red line image to one eye and a white light to the other, while prisms are ...
Wikipedia [c] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki. Wikipedia is the largest and most-read reference work in history, [3] [4] and is consistently ranked among the ten most visited websites; as of April 2024, it was ranked fourth by Semrush, [5] and seventh by ...
YouTube is an American video-sharing website headquartered in San Bruno, California. The site indicates view counts of each uploaded video, making it possible to keep track of the most viewed, many of which continue to exist while others are no longer available on the site. Although the most-viewed were initially viral videos uploaded by amateur content creators, such as " Evolution of Dance ...
The following table lists the 50 most-viewed YouTube channels as well as the primary language and content category of each channel. The channels are ordered by number of views. The top 50 most-viewed channels have all surpassed 30 billion total views. [1] [6]
After a huge success of Devdas album Ghoshal was immediately called by various regional film industries for recording songs in her voice. She sang more than 12 songs in Pakistani (Urdu). [citation needed]