Diagnostic Ophthalmic Sonographer (CDOS) Ophthalmic ultrasound technicians interpret retinal detachments, measure intraocular lens power, and assess posterior segment pathology using B-scan and A-scan technology. The CDOS credential certifies your competency in patient positioning, probe manipulation, image optimization, and clinical decision-making that directly supports ophthalmologists’ surgical and diagnostic workflows in real-world practice.
| Exam Name | Diagnostic Ophthalmic Sonographer |
| Exam Code | CDOS |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
