Table 1.

Comparison of Fundal Layer Thickness in Untreated Guinea Pigs

	Retina (µm)			Choroid (µm)			Sclera (µm)
	W1	W5	P Value*	W1	W5	P Value*	W1	W5	P Value*
A	151 ± 5	149 ± 7	0.358	69 ± 12	68 ± 5	0.813	110 ± 12	115 ± 11	0.212
C	154 ± 5	152 ± 6	0.237	100 ± 19	108 ± 14	0.105	100 ± 13	112 ± 6	0.006
P	155 ± 5	154 ± 5	0.701	124 ± 19	138 ± 14	0.015	116 ± 15	128 ± 11	0.008
P value†	0.233	0.259		<0.001	<0.001		0.058	0.004

W1 indicates week 1 of age, and W5 indicates week 5 of age. Bold font denotes P < 0.05. These notations are consistent in Table 2 and across other figures where it is applicable. A, albino; C, crossbred; P, pigmented.

^*Paired t-test between two age points of the same GPs.

^†One-way ANOVA test for three breeds at the same age point.