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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.
In geometrical optics, a focus, also called an image point, is a point where light rays originating from a point on the object converge. [1] Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle. This non-ideal focusing may be caused by aberrations of the imaging optics.
Eyemo with Motor and Nikon Lens. The Eyemo is a non-reflex camera: viewing while filming is through an optical viewfinder incorporated into the camera lid. Some models take one lens only. In 1929 there was the first three-port Eyemo, while the "spider model" features a rotating three-lens turret and a "focusing viewfinder" on the side opposite ...
Look up monocle in Wiktionary, the free dictionary. A monocle is a type of corrective lens used to correct or enhance the visual perception in only one eye. It consists of a circular lens placed in front of the eye and held in place by the eye socket itself. Often, to avoid losing the monocle, a string or wire is connected to the wearer's ...
The PlayStation Eye is capable of capturing standard video with frame rates of 60 hertz at a 640×480 pixel resolution, and 120 hertz at 320×240 pixels, [1] which is "four times the resolution" and "two times the frame-rate" of the EyeToy, according to Sony. [11] Higher frame rate, up to 320×240@187 or 640×480@75 fps, can be selected by ...
Manual focus. In the field of photography, a manual focus camera is one in which the user has to adjust the focus of the lens by hand. Before the advent of autofocus, all cameras had manually adjusted focusing; thus, the term is a retronym . The focus itself may be adjusted in a variety of ways. Larger view cameras and the like slide the lens ...
Raycom Sports is a Charlotte, North Carolina –based producer of sports television programs owned by Gray Television . It was founded in 1979 by husband and wife, Rick and Dee Ray. In the 1980s, Raycom Sports established a prominent joint venture with Jefferson-Pilot Communications which made them partners on the main Atlantic Coast Conference ...
Viewings on the home will begin after the victor of the 152nd edition of the major has been crowned on Sunday, offering prospective buyers “a once in a generation opportunity” to own “one of ...