A small world. Remarkable precision.
The cornea, iris, lens and retina work together to turn light into vision.
- Cornea
- Iris
- Sclera
ANATOMY IN MOTION
A closer look inside.
Discover the structures that work together to help you see.
Every layer has its place.
The outer layers open in this model to reveal how the structures inside the eye fit together.
- Sclera
- Choroid
- Retina
The path of light.
The iris controls the light entering through the pupil. The cornea and lens focus it on the retina.
- Cornea
- Iris
- Lens
From light to sight.
The retina turns light into electrical signals. The optic nerve carries them to the brain.
- Retina
- Macula
- Optic nerve
Explore by stage
Human eye
Explore by topic
What would you like to understand?
Read the guide to explore your questions, or follow the explanation with a visual journey.
Cataracts
I have been diagnosed with cataracts. I want to understand when surgery is considered and how a lens is chosen.
Glaucoma
I have glaucoma or high eye pressure. I want to understand the tests, follow-up and treatments.
Refractive surgery
I want to reduce my dependence on glasses. I would like to explore the options and the assessment process.
Keratoconus
I want to understand the diagnosis, how progression is monitored and which options are available.
Presbyopia
I struggle to see up close. I want to know the options with an intraocular lens, a phakic lens or monovision.
Your next step
Information for each stage.
If you have an appointment or procedure planned, find preparation and aftercare guides here.
General educational information. Your individual assessment determines which options may be suitable for you.