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Common Vision Problems

Vision is one of the most important senses for people which necessity has made people pay special attention to the eye and take care of it. The primary function of the eye is to give a clear vision by focusing light by the retina and the focusing power is provided by the cornea. The other important parts of the eye are lens which tunes the light along with expanding and contracting to provide a clear vision. Besides paying attention to the eye, one must also be aware of all the common vision problems and consult with the doctor accordingly.

Understanding the prescription

The common vision problems include myopia, hyperopia, astigmatism, cataract and presbyopia. These problems are very common and are measured by a dioptre which describes the light bending properties of an optical system. You can use glasses or lenses to correct the vision problems. The glasses that correct for near sightedness are given the symbol as (-) and that which long sightedness is (+). A typical prescription consists of three basic category one representing the degree of nearsightedness or long-sightedness, the other number identifies the degree of astigmatism and the third number identifies the axis and direction of the astigmatism. The higher the degree of vision problems you have then higher the dioptres you acquire in your prescription. People with these refractive errors can choose Lasik Surgery in Delhi by contacting our patient care department for instant information for Lasik procedure, its cost & technology.

Short sightedness or myopia: it is a condition in which the near objects can be seen clearly while the distant objects appear blurred. The defect can be corrected by using suitable concave lens which causes the light rays to diverge before striking the lens of the eye.

Long sightedness or hyperopia: it is a condition in which there is a difficulty in seeing near objects. The power of the glass or lens used to correct the vision is mentioned in +.

Astigmatism: it is a defect in which some parts of the object are seen in focus while others are blurred. It arises due to the uneven curvature of the cornea. This is corrected by the cylindrical lens. Lasik surgery can also be used in these cases to provide long term cure of the eye and make the vision proper and prevents use of lens or glasses.

Cataract: it is a condition in which the lens turns opaque and the vision is cut down even to total blindness. A cataract is a clouding of the natural lens, which is responsible for focusing light and producing clear, sharp images. It is an age related phenomena mostly seen in elderly people. The only definitive treatment for cataract is surgery. For Cataract treatment, Phaco Technology is used which requires a very small incision through which tip of the instrument is introduced into the eye & localized high frequency waves are generated through this tip to break the cataract into very small pieces, which are then sucked out through the same tip in a controlled manner. A thin ‘capsule’ or shell is left behind after cleaning up of the entire opaque cataract. After removal of Cataract, Surgeon inserts Intra Ocular Lens (IOL) in patient’s eye. After days of cataract surgery, patient can see clear & better.

Any time you face such type of problems then you can understand the vision problem you are undergoing and have a check on your dioptre values and then have a consult done with the doctors.

 

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