Document Detail

Pterygia as cause of post-cataract with-the-rule astigmatism.
MedLine Citation:
PMID:  3988618     Owner:  NLM     Status:  MEDLINE    
Pterygia often induce with-the-rule astigmatism as they invade the cornea. Significant amounts of astigmatism occur long before a pterygium encroaches on the visual axis. We present an example in which a 3.3-mm pterygium resulted in 9 diopters (D) of with-the-rule astigmatism. Six weeks after the pterygium removal, the patient's cornea became spherical, but by three months the pterygium had recurred 2.2 mm onto the cornea and induced 4 D of with-the-rule astigmatism. Since the second removal and the application of beta irradiation, there has been no recurrence. The final correction was -1.00 + 1.00 X 127 degrees with a visual acuity of 20/20 +3. Characteristic keratoscopic photographs are shown and contrasted with surgically induced with-the-rule astigmatism.
J T Holladay; J W Lewis; M E Allison; R S Ruiz
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal - American Intra-Ocular Implant Society     Volume:  11     ISSN:  0146-2776     ISO Abbreviation:  J Am Intraocul Implant Soc     Publication Date:  1985 Mar 
Date Detail:
Created Date:  1985-05-31     Completed Date:  1985-05-31     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7701858     Medline TA:  J Am Intraocul Implant Soc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  176-9     Citation Subset:  IM    
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MeSH Terms
Astigmatism / etiology*
Cataract Extraction / adverse effects*
Middle Aged
Pterygium / complications*

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