Loss-of-Function Mutations in the CFH Gene Affecting Alternatively Encoded Factor H-like 1 Protein Cause Dominant Early-Onset Macular Drusen. by Taylor, RL, Poulter, JA, Downes, SM, McKibbin, M, Khan, KN, Inglehearn, CF, Webster, AR, Hardcastle, AJ, Michaelides, M, Bishop, PN, Clark, SJ, Black, GC, United Kingdom Inherited Retinal Dystrophy Consortium, Halford, S