A 10-year-old boy with multiple café-au-lait spots and axillary freckling is evaluated during a routine eye examination. He has a family history of neurofibromatosis type 1 (NF1). On slit-lamp examination, the ophthalmologist identifies multiple small, pigmented nodules on the iris. The boy denies any visual symptoms. Which of the following best describes the eye findings observed in this patient?
