How to Test Vision Systems
Instructions
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Check for blurriness in your long- and short-distance eyesight. This is one of the simplest ways to detect if you suffer from nearsightedness (objects at a distance are blurry) or farsightedness (close objects are blurry). If you are having trouble reading street signs, whiteboards or billboards, for example, you may be nearsighted. If you find that reading is difficult because of blurriness, then you may be suffering from farsightedness. Both conditions are commonly treated with corrective lenses -- either eyeglasses or contacts.
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Test your night vision. If you see halos around lights or are sensitive to glare at night, then you may be showing symptoms of cataracts. Cataracts are caused by cloudiness over the lens of the eye and are common amongst the elderly.
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Test for glaucoma. Glaucoma is caused by increased pressure on the eye and can cause blindness. If you have blind spots in your field of vision, have difficultly seeing at night or are losing vision in either eye, glaucoma could be the cause.
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Check for "floaters" in your field of vision. Seeing tiny particles floating in your field of vision could be a sign of retinal detachment.
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See an eye doctor regularly to ensure that your vision is healthy. How often you need to see an eye doctor depends on your age and medical history. Ask an eyecare professional for details.
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