Document Detail

Understanding corneal topography.
MedLine Citation:
PMID:  10977769     Owner:  NLM     Status:  MEDLINE    
With the increase in corneal laser refractive surgery, there is a greater need for precise evaluation of the corneal surface. Articles published in the past year have reported possible use of confocal scanning laser technology-based devices to image the cornea. Other studies have compared existing instruments and software in an effort to determine if data from different instruments are comparable. Topographic evaluation also has served to highlight long-term complications of procedures like radial keratotomy and the promise of newer surgical procedures like the intrastromal corneal ring segments. Studies of the corneal surface have helped refine surgical procedures like photorefractive keratectomy, laser in situ keratomileusis, penetrating keratoplasty, and cataract surgery. Topographic measures that serve as direct correlates of ocular visual performance, however, still remain elusive. Studies in the past year have confirmed that corneal topographic evaluation may be a powerful tool in the search for a genetic basis of keratoconus. Important areas for future research include precise determination of the power of the postrefractive surgery cornea to allow precise estimation of intraocular lens power in these eyes. Detecting the presence of past corneal refractive surgery in donor eyes also is likely to be a challenge. Despite the numerous advances in the field of corneal topography in the past year, there is still a need to present the data in a standardized format that is universal to all instruments and technologies.
S K Rao; P Padmanabhan
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Current opinion in ophthalmology     Volume:  11     ISSN:  1040-8738     ISO Abbreviation:  Curr Opin Ophthalmol     Publication Date:  2000 Aug 
Date Detail:
Created Date:  2000-08-23     Completed Date:  2000-08-23     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  9011108     Medline TA:  Curr Opin Ophthalmol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  248-59     Citation Subset:  T    
Sankara Nethralaya, Medical Research Foundation, Tamil Nadu, India.
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MeSH Terms
Cornea / pathology*,  surgery
Corneal Diseases / diagnosis,  surgery
Corneal Topography*
Reproducibility of Results

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