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Conductive keratoplasty (CK) treatment application. An increasing number of spots are placed for increasing levels of hyperopia. For example, eight spots (one ring) are placed for correcting up to +0.875 D, but 16 spots (two rings) are placed to correct +1.00 to +1.625 D. The sequence of spot placement is also shown at the top right. Reprinted with permission from Ophthalmology 2002;109:1980.
