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Is LASIK eye surgery the right choice for you?

What is LASIK?

LASIK (Laser Assisted In Situ Keratomileusis) is an increasingly popular procedure that is very advantageous, but also not suitable for everyone. There are many reasons why LASIK is the right choice, including the potential for 20/20 vision, but there are also cases in which LASIK can cause complications and is probably not suited for.

Who is suited for LASIK?

Your suitability for LASIK is decided by your doctor. To ensure any complication is avoided anyone interested in LASIK should undergo a comprehensive screening by a competent surgeon, as well as obtaining a detailed medical history. A majority of people are either good or ideal candidates, with the best ones being candidates who can benefit from surgery without complications.  A pre-existing condition or an illness can render someone unsuitable for LASIK.

What are the risks factors?

Circumstances that can either cause complications or deny the effectiveness of LASIK include:

Having poor vision.  In certain cases a person’s vision is considered unfit for improvement, and LASIK is ineffective in these cases. LASIK is therefore limited to individuals with no more than -14 diopters, if they have myopia.  When it comes to astigmatism, LASIK covers people with no more than 4-6 diopters , and  in case of hyperopia  the effective range includes those with no more than +6.0 diopters.

Changing prescription.  People’s prescription changes over time, stabilizing after the age of 18 to 20. Any kind of continuous change past this age tends to disqualify you for LASIK, depending on your doctor.  Ideal candidates for LASIK maintain certain prescription stability, namely a prescription that stays stable for two years at least.

Overall medical and eye health. Any kind of health complications regarding your eye can very likely cause LASIK unsuitability. A few of the known conditions that can make LASIK not suitable for someone include problems with the conjunctiva or cornea, glaucoma and diabetic retinopathy. All kinds of systemic diseases, including those affecting the immune system, can reduce your chances for LASIK, so it is critical to discuss your full medical history with your doctor before considering LASIK.

Other factors that can hamper your LASIK availability are having a cornea that is too thin, or irregularly shaped. Both rule out LASIK surgery due to either risking vision impairment or completely disabling the chance of eye surgery. Large pupils are also a risk, albeit less severe. Large pupils may not deny LASIK surgery altogether, but can narrow down the types of LASIK surgery available, leaving custom LASIK surgery as a preferred choice for such patients.

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