How Eye Drop Timing Protects Your Vision in Glaucoma| DoctorSpeak In glaucoma management, using eye drops at regular intervals isn’t just a routine—it’s critical to protecting your vision. These medicated drops help lower intraocular pressure, the main cause of optic nerve damage in glaucoma. However, their effectiveness depends heavily on consistent use. Skipping doses or applying them irregularly can cause pressure to rise again, increasing the risk of permanent vision loss. In this video, Dr.