Characterization of the anterior segment in Trisomy 21-associated cataract using ultrasound biomicroscopy.

Backgroundobjectives: To compare the structural anatomy of the anterior segment in pediatric Trisomy 21 (T21) subjects with and without cataracts to age-matched controls.

Design: Prospective case-control study.

Participants: 40 subjects (57 eyes) age 0-25 years old (9.