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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.
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 ...
Flash blindness is caused by bleaching (oversaturation) of the retinal pigment. [ 2] As the pigment returns to normal, so too does sight. In daylight the eye's pupil constricts, thus reducing the amount of light entering after a flash. At night, the dark-adapted pupil is wide open, so flash blindness has a greater effect and lasts longer.
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.
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 ...
Eye injury. Eye injury. A small piece of iron has lodged in the margin of the cornea. Specialty. Ophthalmology, neurology. Physical or chemical injuries of the eye can be a serious threat to vision if not treated appropriately and in a timely fashion. The most obvious presentation of ocular (eye) injuries is redness and pain of the affected eyes.
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Stephen becomes immortal after accidentally killing "Grimmy" during the opening of the segment of "Cheating Death with Dr. Stephen T. Colbert, D.F.A.".This leads to Stephen singing "We'll Meet Again" in its entirety along with a large crowd of several recognizable figures, before meeting with Santa Clause on the roof of the studio.