J Korean Ophthalmol Soc.  2002 Oct;43(10):1943-1949.

Factors Associated with the Posterior Corneal Surface Elevation in Mmyopic Eye

• Lee GJ
• Chae JB
• Tchah H
• Cho BJ

Abstract

PURPOSE: To know the factors associated with the posterior corneal surface elevation in myopic eye.
METHODS
The posterior corneal surface elevation (PCSE), keratometry, central corneal thickness (CCT), peripheral corneal thickness (PCT), thinnest corneal thickness (TCT) were measured in 64 right myopic eyes with the Orbscan topography system. The correlation between PCSE and age, refractive error, intraocular pressure (IOP), keratometry, CCT, TCT, PCT, PCT-CCT, PCT/CCT, PCT-TCT, and PCT/TCT was evaluated.
RESULTS
The posterior corneal surface elevation has correlation with CCT (r:.0.3306, p:0.0071), TCT ( r :.0.4094, p:0.0007), PCT-CCT(r:0.3326, p:0.0068), PCT/CCT (r:0.3759, p:0.0020), PCT-TCT (r: 0.4750, p:0.0001), and PCT/TCT (r:0.5145, p:0.0001) but does not have correlation with age, keratometry, refractive error, IOP (r:.0.0627, p:0.6225), and PCT.
CONCLUSIONS
In myopic eyes, the posterior corneal surface elevation correlates with central corneal thickness and specifically the ratio PCT to TCT.

Keyword

Corneal thickness; Orbscan topography system; Posterior corneal surface elevation

MeSH Terms

Intraocular Pressure
Refractive Errors