Eye care tips

How our eyes work

The functioning of our eyes is very similar to a camera. The Cornea, Lens and other fluids in the eye together act as a lens trying to focus the rays of light on Retina which can be compared to the film/sensor of a camera. When the rays focus normally, the person is said to have ‘No Refractive Error’ and he will be able to see clearly without any Correction.

Correction of myopia

Myopia is corrected by placing diverging (minus) lenses in front of the eye such that the rays which were earlier being focused in front of the retina are now converged less and focused on the retina.

Myopia (Short-sightedness)

It is a state of refraction when the parallel rays of light coming from infinity (with accommodation at rest) are focused in front of the sensitive layer of the retina. The patient experiences blur vision for distance. He may be able to see clearly the near objects. Myopia, or nearsightedness, is caused when an eye’s refractive power is too strong for its length.


Hyperopia (Long-sightedness)

It is a state of refraction when the parallel rays of light coming from infinity (with accommodation at rest) are focused behind the sensitive layer of the retina. It is caused when an eye’s refractive power is insufficient for its length. Plus-powered (convex) lenses, or the eye’s own accommodation, are used to cause light rays to focus on the retina. Exerting accommodation over longer periods may lead to eye-strain and headache in low to moderate hypermetropia and may lead to blur vision in high hypermetropia when the patient is not able to accommodate to that extent.

Presbyopic Correction

We provide you with the best options available in the world for presbyopic correction. These include bifocals, progressives and the latest personalized progressive lenses which give you the most natural vision for all distances.

ASTIGMATISM AND its correction

In astigmatism, the rays of all the meridians do not focus at one point, thus forming a blurred image for objects placed at all distances. Astigmatism is caused by an irregularly shaped cornea. In regular astigmatism, the flattest meridian is perpendicular to the steepest meridian. Regular astigmatism can be corrected entirely with cylindrical lenses, has power in one meridian only.

Computer Vision Syndrome

Computer vision syndrome (CVS) is a temporary condition resulting from focusing the eyes on a computer display for long, uninterrupted periods of time. Some symptoms of CVS include headaches, blurred vision, redness in the eyes, fatigue, eye strain, dry eyes, irritated eyes, double vision, vertigo/dizziness and difficulty refocusing the eyes. These symptoms can be further aggravated by improper lighting conditions (i.e. glare or bright overhead lighting) or air moving past the eyes (e.g. overhead vents, direct exposure to air from a fan). Asthenopic symptoms (mentioned above) in the eye are responsible for much of the morbidity in CVS. Proper rest to the eye and its muscles is recommended to relieve the associated eye strain. We recommend the usage of Anti-Glare Lenses for spectacles along with the "20-20-20 rule" : every 20 minutes, focus the eyes on an object 20 feet (6 meters) away for 20 seconds.

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