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LASIK QUERY
Is it possible that a person is operated for wrong power ? For example if a person power is  -4D, but the optometrist diagnosed it -4.5 D during subjective refraction tests. Then what is the possibility that the person will be operated for -4.5 D instead of -4 D?. Aren't there any machine which calculates eye power by itself? ( Because human error is not involved in machines!). I am scared if doctor operate me for wrong or true eye power and if later I have to regret. I heard that auto refractometer calculates eye power precisely, then what should we do to avoid this human error?
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Autorefractometers are used to calculate refractive errors ,based on that the optometrist does a subjective test under cycloplegia and reconfirms things in post mydriatic test. A good experienced optometrist is more accurate than a machine .
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.