Table 1.

Cluster analysis and Mapping Summary

Category	Number	Percent Evaluated
Initial retina-specific clusters in TIGR	1,315	-
Non-redundant retina-specific clusters in TIGR	967	-
Clusters with 3 or more retina-specific ESTs	276	100
Not previously mapped	147	53
Not containing known repetitive elements	83	30
Primers possible	76	28
Amplification successful	59	21
Successfully mapped	55	20