Age Groups	People with Negative Cylindrical Lenses
Age Groups	−0.25/−0.75	−1.00/1.75	−2.00/−2.75	−3.00/−4.00
5/9 years old	31	44	27	9
10/14 years old	92	76	39	17
15/19 years old	206	95	51	33
20/24 years old	334	123	53	19
25/29 years old	438	162	78	45
30/34 years old	495	197	85	33
35/39 years old	369	133	54	26
40/44 years old	206	81	27	18
45/49 years old	102	70	23	11
50/54 years old	96	48	17	7
55/59 years old	76	41	11	6
60/64 years old	61	23	3	7
65/69 years old	48	31	11	2
70/74 years old	36	32	6	2
75/79 years old	13	14	8	2