Bidirectional causality of physical exercise in retinal neuroprotection

Area of Science:

• Ophthalmology
• Neuroscience
• Exercise Science

Background:

• Physical exercise enhances mood, performance, and well-being via neuroprotective mechanisms.
• Reduced physical activity is increasingly linked to central nervous system disorders, including ocular diseases.
• Emerging evidence suggests lower physical exercise levels in patients with glaucoma, age-related macular degeneration, retinitis pigmentosa, and diabetic retinopathy.

Purpose of the Study:

• To review the association between physical exercise and ocular diseases.
• To identify potential mediators of exercise-induced retinal neuroprotection.
• To discuss future research directions in exercise and eye health.

Main Methods:

• Literature review of studies examining physical exercise and eye health.
• Analysis of evidence linking reduced physical activity to specific ocular disorders.
• Exploration of potential neuroprotective pathways of exercise in the retina.

Main Results:

• Physical exercise demonstrates neuroprotective effects beneficial for retinal health.
• A bidirectional relationship exists between visual impairment and reduced physical exercise.
• Decreased exercise may exacerbate the development and progression of ocular diseases.

Conclusions:

• Physical exercise plays a crucial role in maintaining retinal health and potentially preventing eye diseases.
• Understanding the exercise-retina connection can inform therapeutic strategies for visual impairment.
• Further preclinical and clinical research is warranted to elucidate exercise's role in ocular health.