Table 1 The refractive state of all 152 horses for right and left eye respectively
From: The refractive state of the eye in Icelandic horses with the Silver mutation
Right eye | Number of CT horses | Number of TT horsesa | Number of CC horses |
Emmetropic (normal sighted) 0 D | 37 (52.1%) | 0 (0%) | 32 (42.1%) |
Hyperopic (farsighted) | |||
Slightly (+0,5–1 D) | 24 (33.8%) | 0 (0%) | 41 (53.9%) |
Moderate (+1,5–2,5 D) | 0 (0%) | 0 (0%) | 0 (0%) |
Severe > +3 D | 0 (0%) | 0 (0%) | 0 (0%) |
Myopic (nearsighted) | |||
Slightly (−0,5–1 D) | 3 (4.2%) | 0 (0%) | 3 (3.9%) |
Moderate (−1,5–2,5 D) | 5 (7.0%) | 3 (75%) | 0 (0%) |
Severe (−3 D or more) | 2 (2.8%) | 1 (25%) | 0 (0%) |
Left eye | Number of CT horses | Number of TT horsesa | Number of CC horses |
Emmetropic (normal sighted) 0 D | 37 (52.1%) | 1 (25%) | 29 (38.2%) |
Hyperopic (farsighted) | |||
Slightly (+0,5–1 D) | 25 (35.2%) | 0 (0%) | 44 (57.9%) |
Moderate (+1,5–2,5 D) | 0 (0%) | 0 (0%) | 0 (0%) |
Severe > +3 D | 0 (0%) | 0 (0%) | 0 (0%) |
Myopic (nearsighted) | |||
Slightly (−0,5–1 D) | 3 (4.2%) | 0 (0%) | 3 (3.9%) |
Moderate (−1,5–2,5 D) | 5 (7.0%) | 3 (75%) | 0 (0%) |
Severe (−3 D or more) | 1 (1.4%) | 0 (0%) | 0 (0%) |