Ophthalmology In primary open-angle glaucoma pilocarpine eye drops lowers the intraocular pressure by its direct action on the: A Trabecular meshwork B Ciliary epithelium C Longitudinal fibres of the ciliary muscle D All of the above 💡 Explanation In primary open-angle glaucoma pilocarpine eye drops lowers the intraocular pressure by its direct action on the: ✓ Correct Answer: C. Longitudinal fibres of the ciliary muscle