• Posterior lenticonus usually occurs sporadically and only in one eye. However, in three families bilateral posterior lenticonus occurred in more than one member. When the defect appears bilaterally, genetic counseling should be considered to educate the family about the possibility that future offspring might have this disorder.
Pollard ZF. Familial Bilateral Posterior Lenticonus. Arch Ophthalmol. 1983;101(8):1238-1240. doi:10.1001/archopht.1983.01040020240017