Certified Ophthalmic Medical Technologist (COMT)

Answer: B - Trabecular secondary glaucoma can occur in sickle-cell disease.

Classification of secondary glaucoma depends on the problem's location in relation to the trabecula. Trabecular secondary glaucoma involves entities clogging or disrupting the trabecular meshwork, such as red blood cells. Trabecular secondary glaucoma can occur in sickle-cell disease, where cells can clog the meshwork.