Wednesday, 1 April 2015

Myopia - Symptoms and Diagnosis - Treatment in Madurai

Myopia or Nearsightedness

Myopia or nearsightedness, is the most common refractive problem of the eye and it has become more prevalent in current years.

Myopia Symptoms and Signs

If you have myopia, you typically will have difficulty seeing distant objects clearly and reading road signs, but will be able to see well for close-up tasks such as computer use & reading.

Other signs and symptoms of myopia include flickering, headaches and eye strain. Feeling weariness when playing sports or driving also can be a symptom of uncorrected nearsightedness.

What Causes Myopia?

Nearsightedness occurs when the eyeball is too long, close to the focusing power of the cornea and lens of the eye. So this causes light rays to focus at a point in front of the retina, rather than directly on its surface.

Myopia also can be caused by the cornea and / or lens being too curved for the length of the eyeball. In some basic facts, myopia is due to a combination of these factors.
Myopia typically begins in childhood and you may have a higher risk if your parents are nearsighted. In most cases, nearsightedness stabilizes in early adulthood but sometimes it continues to progress with age.

Myopia Treatments

Myopia can be corrected with glasses, contact lenses or refractive surgery. Depending on the degree of your Nearsightedness, you may need to wear your glasses or contact lenses all the time or only when you need very clear distance vision, like when driving, seeing a watching a movie.

If you're nearsighted, the first number ("sphere") on your eyeglasses prescription or contact lens prescription will be preceded by a minus sign (–). The higher the number, the more nearsighted you are. Refractive surgery can reduce or even eliminate your need for glasses or contacts.

In most cases, nearsightedness is simply a minor inconvenience and poses little or no risk to the health of the eye. But sometimes myopia can be so progressive and severe it is considered a degenerative condition. Degenerative myopia also may increase the risk of cataracts.

If you experience these symptoms or signs while wearing your contact lenses or glasses, schedule a comprehensive eye examination with our ophthalmologist or optometrist to see if you need a stronger prescription.

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Saturday, 15 February 2014



Nearsightedness (myopia) may be a condition that forestalls an individual's eye from clearly seeing the objects settled at so much distances. The myopic eye doesn't focus the image on the particular space of the membrane, however focuses it a head of the membrane instead. As a result, the image seems blurred as a result of a discrepancy between the strength of the attention’s optical system and therefore the length of the eye. As a rule, the myopic eye has Associate in Nursing eyeball exaggerated in size (axial myopia), though this eye downside can even occur as a result of excessive strength of its refracting equipment (index myopia). the larger this discrepancy is, the upper nearsightedness seems.

Degrees of shortsightedness:
Ophthalmologists distinguish many sorts of myopia:
1.low (up to three.0D),
2.medium (from three.25 up to 6.0D),
3.high (more than 6D). High shortsightedness will reach sizeable numbers: fifteen, 20, 30D and a lot of.

Myopic individuals want glasses to examine clearly at a so much distance and in several cases even at a more in-depth distance (when shortsightedness exceeds 6-8 diopters or more). Sadly, glasses don't perpetually with success correct a person’s vision, that deals with either dystrophic or different sorts of changes within the layers of a myopic eye.

Myopia is noninheritable or will develop in course of your time. Generally it will increase or progress. A myopic person will see even tiny details at a detailed distance, however the farther the item is found, the less clearly an individual will see it. Any shortsightedness correction aims at weakening the strength of a refracting equipment in such the way that might enable a picture to be centered on the precise space of the tissue layer (i.e. to return “back to normal”).

Usually shortsightedness is a mid of the attention ball enlargement inflicting tissue layer stretching. The upper shortsightedness is degree of the upper and also the risk of retinal issues.