Home ยป What is the average focal length of lens of normal human eye? Eye MCQs What is the average focal length of lens of normal human eye? February 12, 2022 20 Views Q. What is the average focal length of lens of normal human eye? A. 2.5 cm B. 2.0 cm C. 3.5 cm D. 3.0 cm Answer: 2.5 cm
