Arcus senilis can be a sign of heterozygous familial hypercholesterolemia.
Read more about arcus senilis and familial hypercholesterolemia in context:
Fitzpatrick's Dermatology in General Medicine: Chapter 135. Xanthomatoses and Lipoprotein Diesorders > Familial Disorders in Which Xanthomas are More Likely to Occur
Read more about arcus senilis and familial hypercholesterolemia:
Vaughan and Asbury's General Ophthalmology: Chapter 6. Cornea > Arcus Senilis
Clinical Genomics: Practical Applications in Adult Patient Care Chapter 15. Familial Hypercholesterolemia
Current Medical Diagnosis and Treatment 2019: Chapter 40. Genetic and Genomic Disorders > Familial Hypercholesterolemia