Presbyopia is an eye disorder that normally sets in between the ages of 40-50. A lot many theories have been suggested to delineate its proper cause. However, the most convincing theory is that the eye lens loses its elasticity over time, and this in turn results in the loss of accommodation power of the lens. Consequently, the lens is unable to focus on nearby objects, and hence the patients near vision is rather blurry. Presbyopia affects everyone at a certain age and it is not routinely curable.
The loss of accommodation power can be compensated for through LASIK surgery by producing whats called monovision. Normally, people possess binocular vision. That is, both eyes work together equally while viewing an object. On the other hand, in case of monovision, one eye is corrected for near vision and the other is corrected for distant vision. LASIK surgeons make use of this technique to counter presbyopia.
LASIK can be a viable option for producing monovision. However, there is a caveat. Monovision is not appropriate for everyone. Furthermore, monovision may also interfere with depth perception. That is, the patient may not be able to perceive the accurate...
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