4. Explain briefly why excimer lasers are used in photorefractive keratotomy, in which the front of the cornea is sculpted to correct nearsightness. Why is the argon ion laser not a 1 good choice for this operation? Why is the reverse true for laser surgical procedures performed on the retina?
4. Explain briefly why excimer lasers are used in photorefractive keratotomy, in which the front of the cornea is sculpted to correct nearsightness. Why is the argon ion laser not a 1 good choice for this operation? Why is the reverse true for laser surgical procedures performed on the retina?
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Transcribed Image Text:4. Explain briefly why excimer lasers are used in photorefractive keratotomy, in which the
front of the cornea is sculpted to correct nearsightness. Why is the argon ion laser not a
1
good choice for this operation? Why is the reverse true for laser surgical procedures
performed on the retina?
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