Table 2.

Mean retinal light sensitivity (dB) in different age groups.

Age group	Mean retinal sensitivity, dB (mean ± sd)
Overall 10°	Superior temporal	Inferior temporal	Inferior nasal	Superior nasal
18–30 years	19.46 ± 0.30	19.22 ± 0.55	19.95 ± 0.08	19.64 ± 0.43	19.05 ± 0.45
Range (n = 15)	18.88–19.83	18.33–20.00	19.80–20.00	18.83–20.00	18.00–19.67
31–40 years	19.40 ± 0.39	19.15 ± 0.63	19.92 ± 0.08	19.57 ± 0.42	18.96 ± 0.78
Range (n = 12)	18.87–20.00	18.00–20.00	19.80–20.00	18.80–20.00	18.00–20.00
41–50 years	19.47 ± 0.36	19.18 ± 0.53	19.91 ± 0.09	19.67 ± 0.37	19.13 ± 0.56
Range (n = 12)	18.90–20.00	18.50–20.00	19.80–20.00	19.00–20.00	18.30–20.00
51–60 years	18.73 ± 0.75	18.09 ± 0.69	19.44 ± 0.59	18.76 ± 0.44	17.61 ± 1.09
Range (n = 11)	17.80–19.80	17.33–18.83	18.33–20.00	18.00–19.17	16.17–19.00
p-Value	0.0001	0.0001	0.0001	0.0001	0.0001
18–60 years	19.29 ± 0.54	18.95 ± 0.74	19.82 ± 0.35	19.44 ± 0.54	18.73 ± 0.94