Subjects: CATARACT; RESEARCH; UNIVERSITIES & colleges
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Subjects: OPHTHALMIC surgery
Subjects: OPHTHALMIC surgery; MYOPIA; REFRACTIVE errors
Subjects: LETTERS to the editor; PUBLIC welfare; TAX creditsUNITED States
Subjects: OPHTHALMIC surgery; RADIAL keratotomy; EXCIMER lasersUNITED States
Subjects: OPHTHALMIC surgery; LASER surgery; REFRACTIVE lamellar keratoplasty
Subjects: OPHTHALMIC surgery; EXCIMER lasers; RADIAL keratotomy
Subjects: CONSUMERS; RADIAL keratotomy; OPHTHALMIC surgeryUNITED States