Latest Visual system Stories
Images have been transformed into pixels and projected onto a headset to help the visually impaired in everyday tasks such as navigation, route-planning and object finding.
In a study that could have implications for organ transplant procedures, scientists found that eyes placed on the backs of tadpoles were still able to see despite no direct neural connection to the brain.
Today the FDA approved an artificial retina that is the first device of its kind to treat a form of progressive blindness that begins in young adulthood and partially restore sight.
Our brains are capable of doing some amazing things. Yet, there are some processes which, while sophisticated enough, are mostly thought of as common and basic. For instance: The reflex which allows us to keep our eyes focused on one point while our heads are moving about.
Research led by Minghao Jin, PhD, Assistant Professor of Ophthalmology and Neuroscience at the LSU Health Sciences Center New Orleans Neuroscience Center of Excellence, has found a protein that protects retinal photoreceptor cells from degeneration caused by light damage.
Ultraviolet vision evolved at least eight times in birds from a common violet sensitive ancestor.
Among the animals that are appealing “cover models” for scientific journals, lancelets don’t spring readily to mind.
Researchers working with rat subjects have pinpointed the positive and negative reward centers in the brain.
New research in Nature concludes the eye – which depends on light to see – also needs light to develop normally during pregnancy.
1. vitreous body 2. ora serrata 3. ciliary muscle 4. ciliary zonules 5. canal of Schlemm 6. pupil 7. anterior chamber 8. cornea 9. iris 10. lens cortex 11. lens nucleus 12. ciliary process 13. conjunctiva 14. inferior oblique muscle 15. inferior rectus muscle 16. medial rectus muscle 17. retinal arteries and veins 18. optic disc 19. dura mater 20. central retinal artery 21. central retinal vein 22. optic nerve 23. vorticose vein 24. bulbar sheath 25. macula 26. fovea 27. sclera 28....
- A transitional zone between two communities containing the characteristic species of each.