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  • corneal
  • Histology of excised corneas after PK showed complete absence of goblet cells, 100% CK3 +ve corneal epithelial cells and presence of p63 +ve LSC-like cells in the basal epithelium in all corneas. (arvojournals.org)
  • It is characterized by changes in corneal collagen structure and organization which leads to progressive stretching and thinning of the cornea . (medcraveonline.com)
  • This treatment increases the stiffness of the cornea by causing the addition of new covalent bonds between and within the corneal collagen fibrils , subsequently improving the shape and refractive properties of the cornea. (medcraveonline.com)
  • Because the whorl-like characteristic pattern of the corneal subbasal nerve plexus is in the inferocentral cornea, we evaluated whether IVCM images of the whorl-like patterns can accurately evaluate the corneal nerve fibers in diabetic neuropathy. (arvojournals.org)
  • Forty-seven patients with diabetes (DM group) and 21 healthy control subjects underwent IVCM examination to compare the characteristics of the corneal subbasal nerve plexus around the central cornea (conventional method) and the whorl-like pattern in the inferocentral cornea (study method). (arvojournals.org)
  • In vivo corneal confocal microscopy (IVCM), a novel noninvasive technique to obtain repeated images of the small nerve fibers that compose the corneal subbasal nerve plexus, 5 is now used to evaluate diabetic polyneuropathy because the cornea is the most richly innervated bodily tissue. (arvojournals.org)
  • tissue
  • The transparent tissue that covers the surface of the eyes, the cornea, can be damaged by injury, infection, or inflammation, causing the eye to lose much of its ability to refract light and focus images on the retina. (technologyreview.com)
  • Transparency, avascularity, the presence of immature resident immune cells, and immunologic privilege makes the cornea a very special tissue. (wikipedia.org)
  • From the anterior to posterior the layers of the human cornea are: Corneal epithelium: an exceedingly thin multicellular epithelial tissue layer (non-keratinized stratified squamous epithelium) of fast-growing and easily regenerated cells, kept moist with tears. (wikipedia.org)
  • diameter
  • In humans, the cornea has a diameter of about 11.5 mm and a thickness of 0.5-0.6 mm in the center and 0.6-0.8 mm at the periphery. (wikipedia.org)
  • Greek
  • Medical terms related to the cornea often start with the prefix "kerat-" from the Greek word κέρας, horn. (wikipedia.org)
  • grows
  • Calocera cornea is a jelly fungus that grows on decaying wood. (wikipedia.org)
  • Niebla cornea is a fruticose lichen that grows along the fog regions of the Pacific Coast of North America from near Morro Bay, California to near Punta Santa Rosalillita in Baja California. (wikipedia.org)
  • type
  • It is possible to see widespread use of this type of engineered cornea in the next five years. (technologyreview.com)
  • Niebla cornea has also been confused with Vermilacinia laevigata, which has a different terpenoid chemistry, a different type of cortex, and lacks chondroid stands in the medulla. (wikipedia.org)
  • light
  • The cornea directs light rays into the eye and helps focus them on the light-sensitive retina at the back of the eye, providing sharp, clear vision. (webmd.com)
  • Light entering the cornea is scattered by each fibril. (wikipedia.org)
  • The cornea, with the anterior chamber and lens, refracts light, with the cornea accounting for approximately two-thirds of the eye's total optical power. (wikipedia.org)
  • often
  • Vision problems such as astigmatism or nearsightedness (myopia) are often caused by changes in the normal shape of the cornea. (webmd.com)
  • layers
  • May Griffith of Linköping University in Sweden and Ottawa Hospital Research Institute, along with colleagues, developed the implant for patients with damage to only the top layers of the cornea. (technologyreview.com)
  • In lampreys, the cornea is solely an extension of the sclera, and is separate from the skin above it, but in more advanced vertebrates it is always fused with the skin to form a single structure, albeit one composed of multiple layers. (wikipedia.org)
  • water
  • They said my cornea was swollen and I had almost like little water bubbles blurring my vision. (medhelp.org)
  • Several
  • Several other research groups are working on artificial corneas made from materials that encourage cell growth and are less likely to be rejected. (technologyreview.com)
  • near
  • Niebla cornea is further characterized by the presence of the lichen substance sekikaic acid, along with triterpenes and pigments concentrated near base. (wikipedia.org)
  • front
  • Cornea specialists at the Emory Eye Center utilize the latest techniques and advances in the field to treat simple and advanced problems caused by disease, genetic predisposition, injury or aging to the structures in the front regions of the eye. (emoryhealthcare.org)