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How does an autorefractor work to determine a person's eyeglass prescription?
An autorefractor works by measuring how light is reflected off the retina to determine the eye's focusing ability. This information helps determine the person's eyeglass prescription by calculating the precise lens power needed to correct any vision issues.
Why would an Autorefractor indicate 'error' for both eyes?
An autorefractor can cometimes read "error" on patients with ripe cataracts or keratoconus. If a person is unable to keep their eyes still or they are sitting too close or too far away from the machine, you won't get a reading. Also, be sure to check that the machine is properly calibrated.
What does an autorefractor do and how does it help in determining a person's eyeglass prescription?
An autorefractor is a device used by eye care professionals to measure a person's refractive error, which helps determine their eyeglass prescription. It works by analyzing how light is reflected off the retina to assess the eye's focusing ability. This information is then used to calculate the appropriate prescription for corrective lenses.
What does a autorefractor test for?
It is a vision test to see when an image hits your retina and helps to assist in the prescription needed for glasses, contacts, etc... Hope this helps.
What do you call the machine used for getting the grade of your eyes?
The machine used to measure the refractive error of your eyes and determine your prescription is called a phoropter. During an eye exam, it helps the eye care professional assess how well you see with different lenses. Additionally, the autorefractor is another machine that can provide an automatic measurement of your refractive error.
where can i find a low cost eye exam?
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