Frequently Asked Questions (FAQ)

Q1: Can ortho-k reduce myopia?

Q2: Can it reduce astigmatism?

Q3: Is it safe for overnight wear?

Q4: Can ortho-k control myopia progression?

Q5: Do I need to wear the lenses after receiving the treatment for several years?

Q6: How do I know if I am suitable for this treatment?

Q7: Physicians have said that ortho-k can cause blindness. Is this true?

Q8: Physicians have said that ortho-k will lead to reduction in vision. Is this true?

Q9: Physicians have said that ortho-k will hurt the eyes. Is this true?

Q10: It has been said that overnight ortho-k has not been approved by the FDA. What does this mean?

Q11: Are the lenses used in Hong Kong approved for overnight wear?

Q12: My friend and I both have ortho-k treatment. Why is it that my friend can have clear vision after removing the lenses but I cannot?

Q13: Why do I have ghosting/blurring of vision during the daytime?

Q14: Why is my vision clear just after lens removal but becomes blurred at the end of the day?

Q15: Will the results of the treatment or the eye be affected if my child rubs his/her eyes during sleep?

Q16: Will the results be affected if I seep less than 6 hours a day?

Q17: Can the treatment be achieved with one pair of lenses only?

Q18: If myopia changes during the treatment, do I need to have the lenses changed regularly as well?

Q19: Do I need to wear spectacles before achieving the reduction target?

Q20: Can I throw away all my glasses after achieving the reduction target?

Q21: I have had ortho-k and am having problems. Where can I seek advice?

Q22: What should I do if I wake up with a red or painful eye?

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