The water content in the lens is
(Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 181)The lens is composed of 64% water, 35% protein, and 1% lipid, carbohydrate and trace elements. The protein concentration in the lens is actually the highest amongst body tissues. The main types of proteins are alpha (31%), beta (55%) and gamma (2%) crystallins, and insoluble albuminoids (12%)
1%
28%
35%
64%
Lens