| A malformation syndrome with the combination of bilateral coloboma of macula, horizontal pendular nystagmus, severe visual loss and brachydactyly type B. The hand and feet defects comprise shortening of the middle and terminal phalanges of the second to fifth digits, hypoplastic or absent nails, broad or bifid thumbs and halluces, syndactyly and flexion deformities of the joints of some digits. Inherited in a dominant manner. |