Table 4.

Mean ocular parameters (± SD) on day 7, at the end of the pre-lens period, for eyes subsequently fitted with lenses (data not normalized), for chicks reared in constant (CL) and normal (NL) lighting. Both the unpooled & pooled data across lens treatment groups are presented.

Ocular parameter	Constant lighting			Normal lighting
	+10 D lens group	−10 D lens group	Pooled data	+10 D lens group	−10 D lens group	Pooled data
Refractive error (D)	+2.5±1.25	+3.0±1.5	+2.75±1.5	+3.25±1.25	+2.75±1.0	+3.25±1.0
Corneal radius of curvature (mm)	3.240±0.139	3.203±0.108	3.222±0.124	3.160±0.099	3.326±0.154	3.235±0.148
Anterior chamber depth (mm)	1.347±0.052	1.328±0.032	1.338±0.044	1.445±0.025	1.474±0.038	1.458±0.034
Lens thickness (mm)	2.139±0.061	2.157±0.049	2.148±0.055	2.136±0.062	2.149±0.035	2.142±0.049
Vitreous chamber depth (mm)	5.535±0.265	5.446±0.193	5.492±0.233	5.354±0.191	5.587±0.080	5.460±0.189
Choroidal thickness (mm)	0.192±0.035	0.175±0.041	0.184±0.038	0.230±0.037	0.208±0.040	0.220±0.038
Optical axial length (mm)	9.021±0.297	8.932±0.208	8.978±0.257	8.935±0.224	9.210±0.108	9.060±0.224