also this gives much food for thought:
The nerves supplying the cornea derive from the ciliary nerves, the end-branches of the ophthalmic division of the fifth cranial nerve. The nerves enter the cornea in the middle and anterior stromal layers, and move in a radial fashion toward the center of the cornea. About a millimeter or so into the cornea, the nerves lose the myelin sheaths, meaning that the corneal nerves are fairly easy to observe within this first millimeter. After that, they become extremely hard to observe without high magnification, yet another modification necessary to keep the cornea as a highly transparent section. As they run into the center of the cornea, the nerves divide dichotomously. In Bowman’s membrane, deep within the cornea, nerve fibrils form a plexus just beneath the epithelium. The free nerve endings in the epithelium run between the epithelial cells, making the cornea one of the most sensitive tissues in the body. This sensitivity is a form of protection, guaranteeing that if anything should happen maliciously to the cornea, it will be noticed, even if it is relatively small
Also anyone considering surgery should study this page
http://www.lasikcomplications.com/ectasia.htm
Regarding cod liver oil after reading some more I dont think using undiluted fish oils or any lipids in the eyes is such a good idea. This lecture explains why.
http://visionsurgeryrehab.evecommunity.com/eve/forums/a/ga/ul/5601030541/dryeyes2draft.pdf
The nerves supplying the cornea derive from the ciliary nerves, the end-branches of the ophthalmic division of the fifth cranial nerve. The nerves enter the cornea in the middle and anterior stromal layers, and move in a radial fashion toward the center of the cornea. About a millimeter or so into the cornea, the nerves lose the myelin sheaths, meaning that the corneal nerves are fairly easy to observe within this first millimeter. After that, they become extremely hard to observe without high magnification, yet another modification necessary to keep the cornea as a highly transparent section. As they run into the center of the cornea, the nerves divide dichotomously. In Bowman’s membrane, deep within the cornea, nerve fibrils form a plexus just beneath the epithelium. The free nerve endings in the epithelium run between the epithelial cells, making the cornea one of the most sensitive tissues in the body. This sensitivity is a form of protection, guaranteeing that if anything should happen maliciously to the cornea, it will be noticed, even if it is relatively small
Also anyone considering surgery should study this page
http://www.lasikcomplications.com/ectasia.htm
Regarding cod liver oil after reading some more I dont think using undiluted fish oils or any lipids in the eyes is such a good idea. This lecture explains why.
http://visionsurgeryrehab.evecommunity.com/eve/forums/a/ga/ul/5601030541/dryeyes2draft.pdf