Table 2. Accumulation of exogenous L-Dopa by albino and pigmented fetal retinas: Comparison.

Retinal phenotype	Treatment	Number of retinas positive for L-Dopa	pmoles L-Dopa per retina
			mean ± SEM
Albino	Untreated – litter 1	3/6	0.4±0.2
	Untreated – litter 2	0/3	---------
	Untreated – litter 3	0/5	---------
Albino	L- Dopa treated – litter 1	6/6	1.5±0.2
	L-Dopa treated – litter 2	8/8	3.0±0.3
	L-Dopa treated – litter 3	5/5	2.8±0.6
Pigmented	Untreated – litter 1	6/6	2.0±0.5
	Untreated – litter 2	3/3	2.2±0.2
	Untreated – litter 3	5/5	1.8±0.4
Pigmented	L-Dopa treated – litter 1	3/3	6.0±2.0
	L-Dopa treated – litter 2	5/5	16.8±9.1