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Provided by Shroff Eye (Dr Anand Shroff)
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(Q) What is Lasik?

LASIK, an acronym for Laser-Assisted in Situ Keratomileusis, is a form of refractive laser eye surgery procedure performed by ophthalmologists intended for correcting myopia, hyperopia, and astigmatism. The procedure is usually a preferred alternative to photorefractive keratectomy, PRK, as it requires less time for full recovery, and the patient experiences less pain overall. Many patients choose LASIK as an alternative to wearing corrective glasses or contact lenses.

Lasik is a method of reshaping the external surface of the eye (the cornea) to correct low, moderate and high degrees of near-sightedness, astigmatism and far-sightedness. The complete eye assessment is required to check the patient’s suitability for Lasik. Tests include refraction, contrast sensitivity, pupil size, pupil reaction, retinal examination, tonometry and pachymetry. Other specialised treatments under the Wavefront technology include the aberrometry, topolyzer measurements, topography and tests for dry eye among others.

(Q) What is the Wavefront 400Hz, technology?

(A) This is the world’s most advanced technology for customised laser corrections and is equipped with a completely computer-controlled laser. This provides the patients the highest level of safety, accuracy and reliability available in laser technology. It is also fully customised to the individual patient’s eye. Moreover, it has the most sensitive eye tracker in the world to ensure accurate treatment with absolutely no side effects or possibilities of errors.

(Q) What is the advantage of this technology over the present laser treatment technology?

(A) This technology is completely foolproof. As it allows patients with a much higher eye power, to be treated and can also correct poorly done laser techniques at the mushrooming ‘discount’ laser centers. This method avoids a number of side effects like glare and poor night vision since it helps remove the higher order errors of the eye (aberrations) unlike regular Lasik treatment, which is solely based on the prescription of glasses. Most doctors are using the 200Hz technology now and the 400 Hz helps us in giving faster treatments besides it being painless and the conditions of the eye is being checked by the instrument itself.

(Q) How does the technology function?

(A) The Wavefront 400Hz technology maps a pupil-sized part of the cornea at 168 individual points through a unique aberrometer. This mapping helps identify the corrections required to compensate for the refractive problems at each of the 168 points of the eye. The cornea is then treated at each of these points by small area laser beams to compensate for the correction making treatment completely error free.

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