Eyes

Table of Contents

Other names

Ocular organs
Visual organs
Optic structures

Synopsis

The eyes are complex sensory organs responsible for detecting light and enabling vision. They interpret visual stimuli and send signals to the brain via the optic nerve, allowing us to perceive shape, color, movement, and depth. Each eye consists of multiple structures: the cornea and lens focus light; the iris regulates light entry; the retina converts light into electrical signals; and the macula (central retina) supports sharp, detailed vision.

Healthy eyes require adequate hydration, nutrients, and oxygen supply from a rich network of capillaries. They are protected by eyelids, tear film, and immune defense mechanisms. Visual function can decline with age, overuse (screen time), injury, chronic disease, or nutrient deficiency. Common eye-related conditions include dry eyes, eye strain, cataracts, macular degeneration, glaucoma, infections, and floaters.

Environmental and systemic factors like UV exposure, blood sugar levels, and oxidative stress can all impact eye health. Vision is also tightly linked to brain and nervous system function.

Natural Remedies

Antioxidants (lutein, zeaxanthin, vitamin C, E): Protect the retina from oxidative stress and light damage.

Omega-3 fatty acids: Help reduce dry eye and support tear production.

Limit screen time: Reduces digital eye strain; follow the 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds).

UV protection: Wear sunglasses to block harmful UVA/UVB rays that contribute to cataracts and macular degeneration.

Proper lighting and posture: Reduce eye fatigue when reading or working.

Manage blood sugar and blood pressure: Supports small blood vessels in the retina.

Stay hydrated: Keeps eyes lubricated and reduces dryness or irritation.