ποΈ This transparent front part of the eye helps focus light and has no blood vessels.
β‘οΈ What is the cornea?
π§ This part of the brain processes what you see β not the eye itself.
β‘οΈ What is the visual cortex?
π Humans blink about this many times per minute.
What is ~15β20 times?
𧬠Clouding of the lens that commonly affects older adults.
β‘οΈ What is a cataract?
π¬ Ophthalmology is a specialty that combines medicine and this skill.
β‘οΈ What is surgery?
ποΈ This colored part of the eye controls how much light enters.
β‘οΈ What is the iris?
π§ You are technically seeing the world upside down β this part of the brain flips the image.
β‘οΈ What is the brain (visual cortex)?
π This is the only part of the body where blood vessels can be seen directly without surgery
What is the eye (retina)?
𧬠This condition causes gradual loss of peripheral vision.
β‘οΈ What is glaucoma?
π¬ This laser-based surgery corrects refractive errors.
β‘οΈ What is LASIK?
ποΈ This structure changes shape so you can focus on near vs distant objects.
β‘οΈ What is the lens?
π§ This condition causes vision loss even though the eye can look completely normal.
β‘οΈ What is glaucoma?
π Your eyes start developing this early in pregnancy
β‘οΈ What is weeks 3-4 (before most organs)?
𧬠High blood sugar can damage tiny retinal blood vessels β this condition is called:
β‘οΈ What is diabetic retinopathy?
π¬ Ophthalmologists can diagnose brain disease by looking at this structure.
β‘οΈ What is the retina / optic disc?
ποΈ This layer of the eye converts light into electrical signals for the brain.
β‘οΈ What is the retina?
π§ Seeing movement in your βblind spotβ is possible because of this brain trick.
β‘οΈ What is perceptual filling-in?
π Despite popular belief, carrots wonβt give you this.
β‘οΈ What is superhuman vision / perfect eyesight?
𧬠This emergency can cause sudden vision loss and involves the retina peeling away.
β‘οΈ What is retinal detachment?
π¬ This tool lets doctors look into the back of the eye.
β‘οΈ What is an ophthalmoscope?
ποΈ This nerve connects the eye to the brain β damage here can cause vision loss without pain.
β‘οΈ What is the optic nerve?
π§ This explains why you donβt see your nose most of the time.
β‘οΈ What is neural adaptation?
π This is why your eyes look red in photos.
What is reflection from retinal blood vessels?
𧬠This childhood eye cancer is often detected in photos with a white pupil.
β‘οΈ What is retinoblastoma?
π¬ Ophthalmology is one of the few specialties where doctors can directly see this.
β‘οΈ What is living nerve tissue?