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Home » Your Eye Health » Eye Exams » Common Tests » Autorefractor

Autorefractor

If you’ve discovered you might need vision correction during your eye examination, it’s vital to determine just how “much” your eyes need to be corrected with lenses or contact lenses. This is called measuring your “refraction.

Autorefractors automatically measure this value during an eye examination.

While seated with your chin in a stabilizing chinrest, you’ll be asked to focus on an image or point of light. The autorefractor automatically determines the correction needed to place your “focus point” on top of the retina, the light-sensitive area at the back of the eye responsible for correctly processing images.

The measurement taken by an autorefractor can be translated into a prescription for eyeglasses.

In eye exams for small children, or for people with special needs who may have trouble sitting calmly during an extended exam, or verbally describing their vision problems—autorefractors give highly accurate measurements used to determine vision correction needs, automatically.

How do autorefractors work?

Autorefractors only take a few moments to determine each measurement for each eye. What’s more, autorefractors are quite reliable and are sometimes used in conjunction with a machine called a phoroptor to manually switch lenses in front of your eyes to provide ideal vision correction.

 

Special thanks to the EyeGlass Guide, for informational material that aided in the creation of this website. Visit the EyeGlass Guide today!

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To reduce the spread of Coronavirus Covid-19, The College of Optometrists of Ontario has recommended that our office sees urgent care cases only. As a result, we are on an “On Call” status for our existing patients only and will attend to their urgent care needs as necessary by appointment. If you are an existing patient who has an eye emergency and require urgent care please contact info@bayblooroptometry.com or call the office and state: what your emergency/urgent eye issue is; when the issue began; and any symptoms you are experiencing. For all other inquiries, including new contact lens orders for existing patients, messages may be left in the same manner as above, and will be responded to as soon as possible.

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Bay Bloor Optometry