<prompt> The water content in the lens is1283564  <response>: Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 181The 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 