An eye exam Westchester County NY is something which everyone should have done from time to time. It is not a scary or painful procedure. Such tests are done by ophthalmologists and optometrist to test the function and strength of our eyes.
These types of tests test our visual abilities by testing how far or near we can see, how we are able to focus on objects and at what distance we can recognize things. By testing for nearsightedness or farsightedness and other problems such as astigmatism, they are able to prescribe the correct lenses in able to improve our eyesight.
Being nearsighted means that you can see objects well which are close to you but that you struggle to see things which are further away. Farsighted people see well when they are looking at things which are far away, but things that are close seem blurry. Astigmatism results from the cornea not being perfectly spherical. These problems can all be solved with glasses or lenses.
By having such an exam in good time you can catch a potentially blinding disease in good time and receive the necessary treatment. Such tests require sophisticated equipment and there are a number of aspects involved in these tests. The most basic is an examination of the area surrounding the eye and by simply looking inside it for obvious signs of problems.
Visual acuity describes how far you are able to see. It is measured using a Snellen chart or a derivative thereof. A Snellen chart consists of 11 rows of block letters. It starts with one big letter on top in the first row. The letters get progressively smaller as the rows go down and there are more letters per row.
To use this chart a patient stands some 20 feet from it and covers one eye. He then reads the letters starting at the biggest one and moving down the rows until they are no longer clearly visible to him. The row containing the smallest letters which he was able to read indicates the acuity of the eye. Normal acuity is considered to be the line labeled twenty, twenty.
Patients also have their pupils tested. Doctors measure the way in which pupils react to light. They examine look to see whether they area regularly shaped and similar in size. It is worth having an eye exam Westchester County NY done. Such tests are sometimes also helpful in diagnosing neurological and other medical problems.
eye exam Westchester County NY
These types of tests test our visual abilities by testing how far or near we can see, how we are able to focus on objects and at what distance we can recognize things. By testing for nearsightedness or farsightedness and other problems such as astigmatism, they are able to prescribe the correct lenses in able to improve our eyesight.
Being nearsighted means that you can see objects well which are close to you but that you struggle to see things which are further away. Farsighted people see well when they are looking at things which are far away, but things that are close seem blurry. Astigmatism results from the cornea not being perfectly spherical. These problems can all be solved with glasses or lenses.
By having such an exam in good time you can catch a potentially blinding disease in good time and receive the necessary treatment. Such tests require sophisticated equipment and there are a number of aspects involved in these tests. The most basic is an examination of the area surrounding the eye and by simply looking inside it for obvious signs of problems.
Visual acuity describes how far you are able to see. It is measured using a Snellen chart or a derivative thereof. A Snellen chart consists of 11 rows of block letters. It starts with one big letter on top in the first row. The letters get progressively smaller as the rows go down and there are more letters per row.
To use this chart a patient stands some 20 feet from it and covers one eye. He then reads the letters starting at the biggest one and moving down the rows until they are no longer clearly visible to him. The row containing the smallest letters which he was able to read indicates the acuity of the eye. Normal acuity is considered to be the line labeled twenty, twenty.
Patients also have their pupils tested. Doctors measure the way in which pupils react to light. They examine look to see whether they area regularly shaped and similar in size. It is worth having an eye exam Westchester County NY done. Such tests are sometimes also helpful in diagnosing neurological and other medical problems.
eye exam Westchester County NY
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