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Audrey Grace Florine Stone (August 14, 1921 – December 19, 2018) was the second wife of American children's book author Theodor Geisel (a.k.a. Dr. Seuss), to whom she was married from 1968 until his death in 1991.
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...
Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.
Three days since a Pennsylvania shooter opened fire at a campaign rally and wounded Trump's ear, the former president and his campaign have revealed next to nothing about his condition.
When you’re not up to getting too physical, there are other ways to give your hand-eye coordination a boost. Here are some options: Bouncing a ball. Playing catch. Playing video games. Learning ...
The Open All Hours pilot was the first episode of Ronnie Barker's 1973 comedy anthology series, Seven of One. It was one of two episodes that the BBC developed into a series; the other, Prisoner and Escort, became the BBC1 sitcom Porridge, which premiered in 1974. The first series of Open All Hours began on BBC2 in 1976.
Stereopsis. Stereopsis (from Ancient Greek στερεός ( stereós) 'solid' and ὄψις (ópsis) 'appearance, sight') is the component of depth perception retrieved through binocular vision. [ 1] Stereopsis is not the only contributor to depth perception, but it is a major one. Binocular vision happens because each eye receives a different ...
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...