Ophthalmic Assistant (JCAHPO) Exam Questions and Answers | Updated 2026

Ophthalmic Assistant (JCAHPO) Exam Questions and Answers | Updated 2026 A Scan biometry measurements are essential before what type of Surgery ? - answer-Cataract Surgery A Scan Biometry is used to measure the ? - answer-Axial length of the eye A scan biometry and keratometry readings are used to determine ? - answer-The power needed for a intraocular lens Optician - answer-Eye care personal specializes in fitting spectacles Orthoptist - answer-Eye care personal specializes with eye movement and the extraocular muscles What test illuminates the screen with a filter that is red on one side and green on the other ? - answer-Worth 4 - dot Vertex Distance - answer-The distance from the cornea to the back surface of the spectacle lens Rim - answer-Part of the spectacles connects the two lenses The measurement used to determine the distance between the optical center of spectacle lenses is the - answer-Pupillary distance ( PD )The optical centers of spectacle lenses must be properly aligned in order to avoid this effect ? - answer-Prismatic Which eye drop paralyzes accommodation and thereby allows all of the hyperopia to be uncovered ? - answer-Cycloplegic Retinoscopy is an example of what type of refractometry - answer-Objective Bending of light is called - answer-refraction The condition in which the eye does not refract light equally in all directions is ? - answerAstigmatism In retinoscopy with a reflex is most commonly observed in which refractive error ? - answerHyperopia The best way to guide a partially sighted patient to an exam room is - answer-offering your arm Daily wear contact lenses should be removed each night or patients are at a greater risk of developing - answer-Corneal Edema The first step of contact lens insertion is - answer-Hand washing Glaucoma primarily affects which structure - answer-Optic Nerve Iridotomy is used to treat what type of condition ? - answer-Pupillary block / closed angle glaucomaOne of the slowest progressing types of glaucoma is - answer-Open angle Dropping of the eye lid is know as - answer-Ptosis