Improving vision among older adults: behavioral training to improve sight

Area of Science:

• Vision science
• Gerontology
• Cognitive neuroscience

Background:

• Age-related vision decline affects older adults, increasing risks of falls and crashes.
• Declines in contrast sensitivity and visual acuity are linked to increased accident risks.
• Perceptual learning offers a potential behavioral intervention for age-related vision loss.

Purpose of the Study:

• To investigate if a perceptual-learning task can enhance age-related declines in contrast sensitivity.
• To assess the transferability of learned visual skills to untrained stimuli.
• To determine if behavioral interventions can improve visual performance in older adults.

Main Methods:

• Older and younger adults participated in a 7-day orientation-discrimination training task.
• Stimuli varied in contrast and were presented with additive noise.
• Performance was measured using a forced-choice paradigm.

Main Results:

• Older adults' post-training performance matched younger adults' pre-training levels.
• Visual improvements transferred to untrained stimulus orientations.
• Enhancements in both far and near visual acuity were observed.

Conclusions:

• Behavioral interventions, specifically perceptual learning, can significantly improve visual function in older adults.
• These findings suggest a promising avenue for mitigating age-related vision impairments.
• Enhanced visual performance may reduce risks associated with falls and vehicle crashes in the elderly.