Practise Registered Ophthalmic Ultrasound Biometrist (ROUB®) Examination with a short sample and answer explanations. These are independent learning materials, not official exam questions or a pass prediction.
Exam outline and official sources
International Joint Commission on Allied Health Personnel in Ophthalmology (IJCAHPO) · The workbook label OUB maps to IJCAHPO’s official Registered Ophthalmic Ultrasound Biometrist (ROUB®) Examination; it is not a separate current examination. The current-linked official ROUB Examination Content Outline is a one-page outline with no version or effective date shown; accessed 2026-10-13.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- Registered Ophthalmic Ultrasound Biometrist - IJCAHPO
- Examination Content Outline: ROUB
- FDA 510(k) Summary K152318: MD-2300S Ultrasonic A/B Scanner for Ophthalmology
- Comparison of axial length, anterior chamber depth and intraocular lens power between IOLMaster and ultrasound in normal, long and short eyes
- Ultrasound velocities for axial eye length measurement
- Clinical results of ultrasound biometry in silicone oil-filled eye
- SRK II formula in the calculation of intraocular lens power
- SRK Formula History
Registered Ophthalmic Ultrasound Biometrist (ROUB®) Examination
Start with 20 free questions, then review the explanations and any topics you missed.
In preoperative biometry, what does keratometry primarily provide?
Registered Ophthalmic Ultrasound Biometrist (ROUB®) Examination
Flashcards
Keratometry
Keratometric readings
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