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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]
The Four Prism Dioptre Reflex Test (also known as the 4 PRT, or 4 Prism Dioptre Base-out Test) is an objective, non-dissociative test used to prove the alignment of both eyes (i.e. the presence of binocular single vision) by assessing motor fusion. [ 1] Through the use of a 4 dioptre base out prism, diplopia is induced which is the driving ...
Craigslist Inc. Craigslist (stylized as craigslist) is a privately held American company [ 5] operating a classified advertisements website with sections devoted to jobs, housing, for sale, items wanted, services, community service, gigs, résumés, and discussion forums.
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A space rock the size of a cruise liner will closely pass Earth in April 2029. While the asteroid Apophis won’t hit Earth, two spacecraft may tag along.
The next world’s tallest building could be a 3,000-feet-high battery. Amy Gunia, CNN. August 6, 2024 at 9:22 PM. Humans have long built towering structures to showcase the power of empires ...
Prism (optics) A familiar dispersive prism. An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base ...
July 20, 2024 at 7:07 AM. Earth surrounded by a cloud of satellites. Image source: Getty Images. After years of delays, in October 2023 Amazon (NASDAQ: AMZN) took its first step toward offering ...