Everything you need to know about the eye exam

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An eye exam serves to verify that our eyes are healthy.

 That is, its role is to rule out that we are suffering from some kind of problem. Among the most frequent, we find: myopia, hyperopia, astigmatism and cataracts. But what else should we know about this test?

If we have never had an eye exam, we may be nervous or expectant about what might happen. It is quite simple, which does not involve any difficulty. Let’s see, however, what happens during an eye exam.

How an eye exam is performed

We can do an eye exam with an ophthalmologist or an optometrist.

 Our recommendation is that it should be done with the doctor the first time. Unlike the optometrist, the ophthalmologist will dilate the pupils with a few drops that will show us throwing ourselves in the eyes.

This will allow you to see in depth how the eye is. It goes without saying that this procedure is completely painless. The only consequence that we have at the moment when our pupils dilate is that we will see blur for a few hours later. When our pupils return to normal, then we will recover our normal vision.

The eye chart

The eye chart is not more than that series of letters that both the ophthalmologist and the optometrist will send us to read.

 Placed at a certain distance from us, the letters printed on them range from a larger to a smaller one.

We can not get up or get closer to see better. Rather, as we see some letters worse or blurred, the specialist will be putting a series of lensesto see if our vision improves. Some of the problems that are detected with this test are:

  • Myopia: It occurs when the result of trying to focus on distant objects, is the blurred vision of these. The more diopters of myopia we have, the worse we see.
  • Hyperopia: Objects that are closer are blurred. If we are over forty years old, what we have may be presbyopia.
  • Astigmatism: as Maria Teresa Ramos Moreira points out in her study “Asigmatism”, objects are focused on more than one point of the retina. The result is your distorted and blurred vision.

Astigmatism may be accompanied by myopia or hyperopia .

 People who suffer from these two vision problems see much worse than those who suffer only one. For example, those people who only suffer from myopia.

The slit lamp

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