Contact Lens Types

Contact lenses are generally classified into soft contact lenses and rigid gas permeable contact lenses. Rigid gas permeable lenses are more durable and breathable, allowing more oxygen to enter the cornea. Other types of contact lenses include extended wear contact lenses and disposable contact lenses.

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Can you please help me convert my eye power for contact lenses?

Query: Hello doctor, I have a power of 4.00 SPH, cylinder 0.50, an axis of 180 on OD, and a power of 3.75, cylinder 0.50, and axis OD 165 on OS. What type of contact lenses should I choose? What should be the power of the contact lenses? Kindly help.   Read Full »

Dr. Gargi Madhukar Apte

Answer: Hi, Welcome to I understand your concern. I would suggest a contact lens power of -4 in OD and -3.75 OS, the same as your spherical glass power. So buy Spherical contact lenses with the power mentioned above. The cylinder is insignificant when converting glass power to a contact len...  Read Full »

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