Taking a step beyond low-vision aids to sharpen the focus on visual rehabilitation

The authors of a new study¹ emphasized the clear visual benefits that low-vision patients experience during low-vision rehabilitation. However, they cited “substantial gaps” in the research in that there is “limited evidence of long-term outcomes, inconsistent assessment of psychosocial influences, and underrepresentation of diverse populations,” according to the first author, Kingsley Ekemiri, OD, who is from the Department of Optometry and Vision Sciences, Abia State University, Uturu, Abia State, Nigeria, and the Department of Optometry and Vision Sciences, The University of the West Indies St. Augustine, West Indies, St. Augustine, Trinidad and Tobago.

Vision rehabilitation includes training patients in the use of adaptive technologies, such as magnifiers or screen readers, and nonvisual techniques to facilitate the patients’ ability to complete daily tasks. Vision rehabilitation may also involve orientation and mobility training, which helps individuals to safely navigate their environment. Counseling services, frequently a part of rehabilitation programs, focus on emotional challenges associated with vision loss and developing coping strategies. Individuals involved with patients, ie, family, friends, and caregivers, often are involved in the rehabilitation programs to provide the knowledge and skills to support the patients.²

While low vision can dramatically change patients’ ability to engage in daily activities and inhibits social interactions,³ the effects can be even more encompassing, according to Dr. Ekemiri and colleagues. “Beyond the immediate challenges, low vision can have serious long-term consequences. Research indicates a strong correlation between vision impairment and cognitive decline, including the risk of developing dementia. The reduction in quality of life is another critical factor for those living with low vision, as feelings of frustration, isolation, and dependency can significantly affect mental health and emotional well-being,^4-6” they explained.

The investigators conducted a literature review of PubMed, Scopus, PsycINFO, and Google Scholar to determine the current outcomes of rehabilitation services, identify gaps in existing research, and highlight opportunities for further study.

They explained that the screening process was conducted independently by all reviewers in two stages: title and abstract screening and full-text assessment. After each screening stage, the reviewers compared their selections and resolved differences through discussion.

What the results of the low-vision literature search showed

The investigators identified 13 studies that met the inclusion criteria, most of which were randomized controlled trials conducted in the US and UK.

“Across the included studies, low-vision rehabilitation interventions, particularly visual training, magnification-based programs, and multidisciplinary approaches, were associated with significant improvements in visual function, activities of daily living, and vision-related quality of life,” they reported.

The authors commented of the shortfalls of the research, “Evidence from randomized trials and prospective studies indicates that a substantial proportion of adults with low vision achieve clinically meaningful functional gains when rehabilitation is therapist-guided and delivered with sufficient intensity. However, the evidence base remains limited by short follow-up periods, heterogeneous outcome measures, inconsistent assessment of psychosocial factors, and underrepresentation of diverse populations. Self-management interventions showed minimal benefit, reinforcing the need for professionally guided approaches.”

They identified the need for standardized evaluations, studies of longer duration, longer-term studies, and more inclusive research designs. “Strengthening methodological consistency and addressing psychosocial and contextual factors will be essential to improving the accessibility, equity, and effectiveness of low-vision rehabilitation,” they said.

References

1. Ekemiri K, Adebo O, Ekemiri C, et al. Mapping the outcomes of low-vision rehabilitation: a scoping review of interventions, challenges, and research gaps. Vision (Basel). 2026;10:3. doi: 10.3390/vision10010003

2. Connors EM, Abbott PM, Norris DE, Ottowitz JJ, Morren BN. The perspectives of vision rehabilitation therapists on the state of the profession: A time for action. J Vis Impair. Blind. 2023;117:303–13.

3. Almidani L, Miller R, Varadaraj V, Mihailovic A, Swenor BK, Ramulu PY. Vision impairment and psychosocial function in US adults. JAMA Ophthalmol. 2024;142:283–91.

4. Kuźma E, Littlejohns TJ, Khawaja AP, Llewellyn DJ, Ukoumunne OC, Thiem U. Visual impairment, eye diseases, and dementia risk: A systematic review and meta-analysis. J Alzheimer’s Dis. 2021;83:1073–87.

5. Rees G, Xie J, Chiang PP, et al. A randomised controlled trial of a self-management programme for low vision implemented in low-vision rehabilitation services. Patient Educ Couns. 2015;98:174–81.

6. Ekemiri KK, Botchway EN, Ezinne NE, et al. Comparative analysis of health- and vision-related quality of life measures among Trinidadians with low vision and normal vision—A cross-sectional matched sample study. Int J Environ Res Public Health. 2023;20:6436.