6. Oral contraceptives.
D003117:Color Vision Defects / Q000139:chemically induced; D003261:Contact Lenses / Q000009:adverse effects; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D005128:Eye Diseases / Q000139:chemically induced*; D006801:Humans; D009885:Ophthalmology / Q000379:methods; D010817:Physician-Patient Relations; D012042:Registries; D012174:Retinitis Pigmentosa / Q000139:chemically induced; D014481:United States; D014652:Vascular Diseases / Q000139:chemically induced
D003276:Contraceptives, Oral; D003280:Contraceptives, Oral, Synthetic