<prompt> Normal visual acuity of 66 is achieved by the age of:2 years3 years5 years7 years  <response>: Ans. 3 years Full visual acuity 66 is attained by 3 years of age. Age Visual acuity New born 6240 1 month 6180- 690 4-6 months 618- 69 3 years 66 