Where are the eyes located?
In the bony eye sockets (orbits) of the skull.
What do the eyes do?
- Focus light to form images
- Detect colour and brightness
- Judge depth and distance
- Adjust focus for near and far
- Help regulate the sleep–wake cycle
Key parts of the eyes
Cornea
The clear front window that bends light.
Lens
Fine-tunes focus for near and far.
Retina
Light-sensitive tissue with rods and cones.
Optic nerve
Carries visual signals to the brain.
How to keep your eyes healthy
- Get regular eye exams
- Wear sunglasses that block UV
- Follow the 20-20-20 rule for screens
- Eat leafy greens and colourful vegetables
- Wear protective eyewear for sports and work
Holistic approach
Holistic Ways to Support Your Eyes
Gentle everyday practices plus three traditional herbs, with honest notes on evidence and safety.
20-20-20 screen breaks
UV-protective eyewear
Screen ergonomics
Regular eye exams
Herbs & tinctures
At a glance
- Organ: Eyes
- Body system: Nervous System
- Eyeball diameter: ~2.5 cm
- Light-sensing cells per retina: ~130 million
Did you know?
Your eyes blink about 15–20 times per minute, which keeps them moist and clean.
7-Day Eyes Meal Plan
A week of simple meals built around leafy greens, vitamin A precursors and omega-3 fats, with 21 easy recipes and a grocery list.
Educational note: This page is for general anatomy education and does not provide medical diagnosis or treatment advice. Talk to a healthcare professional about any concerns.
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Eyes Health Products
Hand-picked products to support your eyes.
Keep exploring
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See how other organs work alongside this one.




