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- sphere, standard lens shape (convex or concave) to correct focus
- cylinder, cylinder shape (both magnitude and angle) to correct astigmatism
- prism, wedge shape (very rare) to correct the direction the eye is looking (sometimes used to compensate for double vision)
Wiki User
∙ 9y ago
Wiki User
∙ 14y agoWhen referring to a spectacle or contact lens Rx, the CYLINDER is the amount of ASTIGMATISM correction needed to correct the patient's vision.
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looking for low cost eye exams?
yes i am looking for low cost eye exams yes
Where can I get good eye exams in NY?
Grand Central Optical is located in New York and provides eye exams.
How important is it to get regular eye exams?
Eye sight should not be taken for granted and regular exams should become more frequent as we age, with no only being concerned about good vision, eye exams can catch eye diseases early.
How much are eye exams?
Generally, eye exam costs can range from less than $50
Are eye exams accurate?
yes...
Does a doctor performs eye exams?
Doctors, including optometrists and opthamologists perform eye exams, but basic exams can be done by nurses or lay people who have been trained in this to do these type of tests.
I need contacts, who provides good Eye Exams?
Costco or Walmart have known to give the best eye exams out there. They too are an affordable place to shop.
Are there any Eye doctors that give free exams in Las vegas?
At the present there are no free exams available. If you qualify for medicare you may have eye exam coverage.
Does the city of Los Angeles offer free eye exams?
Yes, there are a number of different agencies in LA that offer free or reduced cost eye exams
Where can my family and I go to get low cost eye exams in Fresno, California?
Walmart always has good prices on eye exams. Check with your local walmart center.
Where can one look for totally free eye exams, where there is no other purchase necessary?
There are several places that offer free eye exams. Walmart has a vision care center; however, you will need a coupon for a free eye exam. VISION USA will provide free eye exams to low income families that do not have vision care insurance.
Where do you use pi in measurement?
circular calculations. circumference, area of circle, vol of sphere, surface area of sphere, etc.
