Latest Visual system Stories
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.
A new study has found that certain changes in blood vessels in the eye's retina can be an early indicator that a person may have an increased risk of glaucoma.
Scientists have developed a quick, easy and cheap vision test to find out which part – and how much – of the brain of a stroke victim has been damaged, potentially enabling them to save more lives.
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 small wooded valley; a dell.
- The protecting weather-shed built around the entrance to a house.
- The roofed-over space between the kitchen and the sleeping-quarters in a logging-camp, commonly used as a storeroom.