Panel A is a picture of a patient with Alport's syndrome and anterior lenticonus. Panel C demonstrates the regular conical protrusion on the anterior aspect of the lens due to thinning of the lens capsule compared with the normal lens as shown in panel B.
(A) Reproduced with permission from: Al-Mahmood AM, Al-Swailem SA, Al-Khalaf A, Al-Binali GY. Progressive lenticonus in a patient with alport syndrome. Middle East Afr J Ophthalmol 2010; 17(4):379-81. Copyright © 2010 Middle East African Journal of Ophthalmology.
https://journals.lww.com/mejo/pages/default.aspx.