Effect of orientation errors of astigmatism-correcting spectacle …
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The astigmatic spectacle lenses should be located in their frames in a …. The ametropia or astigmatism of eyes were evaluated on a eye refractometer …
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Astigmatism variations in pterygium surgery
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astigmatism variations before and after surgical treat-. ment of the pterygium, … The corneal astigmatism was studied prospectively using videoker- …
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Astigmatism after penetrating keratoplasty
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astigmatism in patients with RS was 7.75
Corneal astigmatism after cataract surgery
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majority of cases a postoperative astigmatism with the rule, … nearly all patients a postoperative astigmatism against the rule and therefore behaved like …
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Correction of astigmatism in a Czerny-Tu rner spectrograph using a …
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Abstract A method for eliminating the astigmatism of a. Czerny-Turner spectrograph is … the distances of the tangential and sagittal astigmatic images …
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Astigmatism
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the refractions revealed astigmatic ani-. sometropia as defined by. H. Blum, H. Peters, …. The larger amounts of astigmatism are probably …
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Understanding astigmatism
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Astigmatism in an aberration that results when an optical system focuses two … exhibits no astigmatism. The lens is symmetric in the horizontal and …
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