A review of optical and digital aids for magnification techniques in low-vision rehabilitation.

Background: Low vision, a condition characterized by significant visual impairment, poses considerable challenges to individuals' daily functioning and quality of life. Magnification techniques play a pivotal role in mitigating these challenges by enhancing visual acuity and enabling better access to printed materials, digital interfaces, and environmental cues. Objective: This paper provides a comprehensive overview of magnification strategies employed in low-vision rehabilitation. The review encompasses optical aids, such as magnifiers, telescopes, and microscopic devices, as well as electronic aids, including closed-circuit televisions, screen magnification software, and portable handheld devices. In addition, it explores the integration of magnification techniques with other assistive technologies and adaptive strategies to optimize functional vision. Furthermore, the article discusses emerging trends in magnification technology, including advancements in digital image processing, augmented reality, and wearable devices, which hold promise for further enhancing accessibility and independence for individuals with low vision. Conclusion: Understanding the diverse array of magnification options and their applications is crucial for eye care professionals, rehabilitation specialists, and individuals with low vision, enabling them to effectively navigate the visual challenges associated with this condition and promote greater inclusion and autonomy in daily activities.