| compound myopic astigmatism | Astigmatism in which all meridians are myopic but to different degrees. (05 Mar 2000) |
|---|---|
| corneal astigmatism | Astigmatism due to a defect in the curvature of the corneal surface. (05 Mar 2000) |
| myopic astigmatism | That form of astigmatism in which one meridian is myopic and the one at right angle to it is without refractive error. Synonym: simple myopic astigmatism. (05 Mar 2000) |
| hyperopic astigmatism | That form of astigmatism in which one meridian is hyperopic and the one at right angle to it is without a refractive error. Synonym: simple hyperopic astigmatism. (05 Mar 2000) |
| simple hyperopic astigmatism | That form of astigmatism in which one meridian is hyperopic and the one at right angle to it is without a refractive error. Synonym: simple hyperopic astigmatism. (05 Mar 2000) |
| simple myopic astigmatism | That form of astigmatism in which one meridian is myopic and the one at right angle to it is without refractive error. Synonym: simple myopic astigmatism. (05 Mar 2000) |
| lenticular astigmatism | Astigmatism due to defect in the curvature, position, or index of refraction of the lens. (05 Mar 2000) |