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Doctor insights on: Standard Eye Test Chart

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Cyl eye test -2.5 means what?

Cyl eye test -2.5 means what?

Astigmatism: The 'cyl' column in your eye prescription refers to astigmatism. You can think of astigmatism like warping on the surface of your eye -- like a football shape compared to a basketball shape. You have 2.5 diopters of astigmatism.

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Is 20/30 on a eye test passable?

Is 20/30 on a eye test passable?

Yes but. . .: 20/30 if best corrected vision, is one line less good than the standard 20/20. It is still good vision; for instance in many states the minimum standard for an ordinary driver's license is 20/40 so someone with 20/30 would pass that test.

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How to pass the air puff eye test?

How to pass the air puff eye test?

Glaucoma test: The "air puff" test is just a method to measure the pressure inside your eyeball. High pressures may require additional work up. Without medication or surgical intervention, you cannot lower you eye pressure to "pass" the test.

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What to expect for first eye test?

What to expect for first eye test?

Understanding: If you have not had an eye test ever in the past, then you probably have very healthy eyes at age 37. You should see an ophthalmologist for this. The first examination will include a measurement of visual acuity, a measurement of eye pressure, a high power microscopic view of the front of the eye and a look at the back of the eye including the retina. Other tests might also be done.

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How are eye vision test generally scored?

How are eye vision test generally scored?

Compared to standard: The chart used to test the eye is calibrated for normal vision at 20 feet. The outcome achieved is compared to what a normal eye can see at 20 feet. So if you can only see at 20 feet what a normal eye sees at 40 feet, your vision is considered to be 20/40. This is measured with and without corrective lenses at distance and at near. The vision with correction is considered to show the true vision.

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What to do if I had my eye test the other day.?

Please expand question: What question did you have regarding the test that was done? Let us help you answer what you're worried about.

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What to expect at my eye test appointment tomorrow?

What to expect at my eye test appointment tomorrow?

Complete eye exam: In a complete eye exam, an assistant will typically obtain your history, along with whatever medications and allergies you have. Then your visual acuities will be checked with a refraction to determine if you need glasses. The doctor will examine all of the structures in the front and back of your eyes, along with checking your eye pressures. Drops may be used to dilate your pupils temporarily.

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What kind of eye tests should children regularly get?

What kind of eye tests should children regularly get?

Depends on age: Infants and young children should have their red reflexes checked at routine well visits. Older infants and very young children should be screened for strabismus. Those who are developed enough to read an eye chart should be screened annually for visual acuity.

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What kind of eye tests should children regularly get?

What kind of eye tests should children regularly get?

Annual exam: Making sure there is no signs of amblyopia (blindness in one eye) and making sure their vision is normal in both eyes. (simple exam with pediatric ophthalmologist) and a dilated fundoscopic exam.

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What is the cost of angiography test of eyes in india?

What is the cost of angiography test of eyes in india?

Not on Health Tap: I am sorry but that is a local question that the experts here on this international site cannot possibly answer. This is a question for the physician doing the test there in india.

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What is the name of a machine that tests the pressure in the eyes?

What is the name of a machine that tests the pressure in the eyes?

Tonometer: There are several different devices and a few different mechanisms for tools that measure the internal eye pressure. All of them however are called 'tonometer'. This test, best done by an ophthalmologist, will determine whether you have a risk to your vision from elevated pressure.

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What is the name of a machine that tests the pressure in the eyes?

What is the name of a machine that tests the pressure in the eyes?

It is called: A tonometer. There are many types of them.

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What is the new 360 degree eye scan procedure? Is it painful? How lengthy is the test?

What is the new 360 degree eye scan procedure? Is it painful? How lengthy is the test?

More detail?: Do you have any more details on this test? Is it performed at optometrists office ophthalmologists? There are many different scans one can get of the eyes. If you can give us more detail, we can give you more helpful information.

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I took vision express online eye test and it said that my eyesight was 17% above average, what to do?

I took vision express online eye test and it said that my eyesight was 17% above average, what to do?

Celabrate: You vision is better than most. That does not mean you do not need routine examinations, or there is no problems with your eyes.

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What is KOH test for eyes?

What is KOH test for eyes?

Fungal test: If the doc suspect fungal infection around the skin of the eye then the test can be performed.

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What are the tests for eye trauma?

Thorough eye exam: Eye trauma can range from mild to devastating. A thorough eye exam by an ophthalmologist is the best "test" for an injured eye. If necessary, imaging studies such as ultrasound and ct scans can be peformed too.