| Loosing the ability to see the world clearly is a | | | | to create a good focal point. In this case the light |
| problem many people face on a daily basis, there | | | | that goes through the cornea creates a focal |
| are many reasons why a person's sight can fail | | | | point that is behind the retina. |
| such as genetics, age and specific conditions that | | | | Astigmatism occurs when the cornea is not |
| affect the vision. Some of the conditions that | | | | properly shaped and the light that goes through it |
| affect a person's ability to see clearly are myopia, | | | | can not focus on the retina. |
| astigmatism and hyperopia. | | | | People who suffer from any of these conditions |
| People who would like to recover their vision can | | | | may choose to have a LASIK surgery in order to |
| do so in a safe way by undergoing a procedure | | | | correct the problem without having to use |
| which is called LASIK surgery, this type of | | | | contact lenses or glasses. |
| non-intrusive surgery deals with the retina and | | | | The Post-LASIK Dry Eye Condition |
| corrects its curvature in order to help images | | | | While the entire LASIK operation is virtually |
| focus exactly at the center of the retina. The | | | | painless this doesn't mean that there hasn't been |
| procedures used in a LASIK surgery were | | | | any changes in the tissues inside the patient's eye, |
| originally developed in two countries: Colombia and | | | | the fact is that the tissue that has been reshaped |
| Russia. The procedures that were used in order | | | | in order to focus images properly needs time to |
| to correct the curvature of the cornea have | | | | heal. A side effect of the operation may |
| been perfected over time and we now know | | | | sometimes include infection and dry eyes; |
| such surgery as LASIK (laser-assisted in situ | | | | infectious can be prevented in a very easy way |
| keratomileusis). Let's describe some of the | | | | by just taking antibiotics but the most common |
| conditions that affect vision to provide a better | | | | side effect is the condition known as dry eyes. |
| picture of the reasons why a person may | | | | The normal function of the glands that secrete |
| undergo this procedure. | | | | tears is partially interrupted because of the |
| Myopia is a condition that is also referred to as | | | | surgery, this makes patients feel as though as if |
| nearsightedness, people who suffer from myopia | | | | they had sand inside their eyes, while this is not a |
| are said to have an eye shape which is too long | | | | serious case it can be quite annoying. In order to |
| or the curvature of the cornea is too extreme, | | | | solve this problem, ophthalmologists often |
| when any of these conditions is present, the light | | | | recommend artificial tears, special eye-drops and |
| that goes through the cornea doesn't quite make | | | | moisturizers that will help ease the discomfort |
| it to the retina so the focal point forms before it | | | | while the patient tear glands heal. |
| reaches the center of the retina. | | | | After undergoing this painless operation a patient |
| Hyperopia is the contrary of myopia in the sense | | | | may suffer from dry eye for a period of up to |
| that the shape of the eye might be too short or | | | | six months. |
| the curvature of the cornea may not be enough | | | | |