ACVREP CLVT study guide
ACVREP CLVT · Work through your exam, one topic at a time.
The Certified Low Vision Therapist (CLVT®) credential is issued by the Academy for Certification of Vision Rehabilitation & Education Professionals (ACVREP), an independent, not-for-profit certification body established on November 6, 1999. ACVREP describes the CLVT as a professional who uses functional vision evaluation instruments to assess visual acuity, visual fields, contrast sensitivity function, color vision, stereopsis, visual perceptual and visual motor functioning, and literacy skills in reading and writing as they relate to vision impairment and disability. The CLVT also evaluates work history, educational performance, ADL and IADL performance, use of technology, quality of life, and aspects of psychosocial and cognitive function, and instructs clients in the use of prescribed low vision devices. The credential is intended for vision rehabilitation practitioners who perform these evaluations and device-training services. The ACVREP CLVT study guide has 3 sections and about 998 words.
01Functional Vision Evaluation: Measuring What the Person Actually Uses
A functional vision evaluation asks not only how much vision is present but how the person uses it in real tasks. Candidates must know the standard measures and their limits: distance acuity (Snellen, ETDRS, Feinbloom for low ranges), near acuity (M units, Jaeger), contrast sensitivity (Pelli-Robson letter chart, Mars letter chart, grating tests), visual fields (confrontation, tangent screen, Amsler grid for central distortion, perimetry for peripheral loss), color vision (Ishihara for red-green; HRR or D-15 for acquired loss), and stereopsis (Randot, Titmus, Frisby).
365 words, about 2 min02Evaluating Performance, Technology, and Psychosocial Context
Low vision affects work, school, self-care, and identity. A complete evaluation gathers work history (job demands, accommodations, transferable skills), educational performance (reading level, note-taking, assistive tech used, IEP/504 history), and ADL/IADL performance (dressing, cooking, medication management, shopping, finances, transportation).
306 words, about 2 min03Instruction in Prescribed Low Vision Devices
Prescribed devices only help when taught systematically. Instruction covers device selection rationale , handling and maintenance , optical principles (magnification, working distance, field of view), and task-specific practice with progression from easy to complex.
327 words, about 2 min