Certified Ophthalmic Technician (COT) The COT spans visual acuity measurement, tonometry for glaucoma screening, and anterior/posterior segment imaging alongside patient history documentation and clinical safety protocols. Technicians must grasp optical principles, lens prescriptions, and how systemic conditions like diabetes manifest in retinal changes. Mastering these domains prepares you for real-world clinic workflows.
| Exam Name | Certified Ophthalmic Technician |
| Exam Code | COT |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
