Automated targets with timing mechanisms not only show the optometrist how the eyes move in the beginning of treatment – when eye problems have yet to be fully addressed – by strategically positioning the targets, but they give weak eyes a necessary workout. By moving the eyes around to focus on different targets at different […]
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Contact lenses, or therapeutic lenses, are thin lenses that are placed on the surface of the eye. While some wear them for cosmetic reasons, their primary function is to correct and improve vision problems related to refractive errors, act as a protective layer in patients with eye injuries, reduce discomfort or pain associated with refractive […]
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Optical filters carefully transfer light in a specific range of wavelengths or colors while obstructing what remains. These dyed plastic or glass devices are placed in the optical path. They are described by their frequency response, and this identifies how the scale and stage of each frequency component of an incoming signal is altered by […]
This device integrates all of the senses used for learning. It is one of the basic instruments used for visual-motor training, and helps with direction, rhythm, eye-hand coordination, and work and shape recognition. It consists of an aluminum case with illuminated membrane switches organized along a grid. When the user hits one of the membrane […]
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Amblyopia, commonly called lazy eye, refers to the improper development or significant loss of vision in an eye. It occurs when the brain does not acknowledge the images seen by the amblyopic eye. Amblyopia Causes Amblyopia occurs when an individual cannot use binocular vision (both eyes working together) due to one of three reasons: Strabismus […]
Here, a ball with letters, numbers, colors, pictures, or a combination is hung from the ceiling. In activities used to help focus visual attention, the individual may be asked to concentrate on a figure while bunting the ball with a rod, or hitting or catching it with their thumbs, palms or fists.
Known also as optometric phototherapy, syntonics deal with the application of selected visible-light frequencies and are used to treat lazy eye and problems with peripheral vision and depth perception. By applying particular visible-light frequencies through the eyes, syntonics can improve vision. This is because when light enters the eye, retinal nerves connected to some of […]
There are many potential causes for blurry eyes. The answer to why you have blurry vision is best answered by your eye care professional, who can offer diagnosis and prompt treatment so that your vision does not get worse. Some conditions that cause blurry vision are easy to treat, but others require quick medical attention. […]
Double vision, also known as “seeing double” or the medical term diplopia, is the perception of two images of a single object. This occurs when two nonmatching images are sent to the part of the brain that processes visual input. Over time, the brain eventually begins to compensate for this misinformation by suppressing one signal […]
In an ideal world, everyone would have perfectly-shaped eyes. The reality, however, is that practically every eye has some form of aberration somewhere in it. These aberrations may or may not cause vision problems, but don’t be too surprised if your eye doctor informs you that you are having difficulties due to some such imperfection. […]
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