Conductive Keratoplasty Tv Spots

Nearsighted Vs Farsighted - Causes, Treatment

The two common eye problems faced by most of the people are nearsighted and farsighted visions. These are conditions in which a person faces trouble in seeing objects that are distant or close to them respectively. Inheritance is one of the main factors for these nearsighted and farsighted visions. Reading books in wrong postures, watching television and playing video games for longer hours and unhealthy eating habits are certain other factors that cause these eye conditions.

The following article discusses about nearsighted vs farsighted visions.

Nearsighted Vs Farsighted Vision – Causes

Nearsighted vision is a condition where a person cannot see clearly the distant objects and they appear to be blurred. This condition develops either from an overly curved cornea or an elongated eyeball. According to the statistics given by the American Optometric Association (AOA), about 30% of Americans have nearsighted vision. Farsighted vision is a condition where a person cannot see clearly the nearby objects, but clearly sees the distant objects. This condition develops either from a cornea that is not curved properly or from an eyeball that is very short.

Nearsighted Vs Farsighted Vision – Treatment

Glasses and contact lenses are the first preferred options to treat nearsighted vision. The next best option is refractive surgery where the overly curved cornea is amended. There are certain types of refractive surgeries – LASIK surgery (Laser—assisted in-situ keratomileusis), PRK surgery (Photorefractive keratectomy) and LASEK surgery (Laser-assisted subepithelial keratomileusis). Similar to nearsighted vision, the primary options for farsighted vision treatment are glasses or contact lenses. The same refractive surgeries like LASIK, PRK and LASEK are next treatment options. There is another surgical option called CK i.e conductive keratoplasty, in which radio frequency energy is used to allow the heat to pass to the tiny spots in corneal regions.

Conclusion

Research studies show that nearsighted vision is hereditary and can also occur as a result of excess stress in work or home. Farsighted vision is also hereditary and a person can become farsighted when one or both the parents are farsighted.

Now you might have developed a clear idea on nearsighted vs farsighted vision and will be able to differentiate both. These eye problems can only be controlled and prevented through proper eye care.

Corneal surgery, theory, technique and tissue

Currently, the only technique of thermal keratoplasty in clinical use is radio- frequency current (350 kHz), known as conductive keratoplasty (CK), ...

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