Ads
related to: sclera eye whitening
Search results
Results From The WOW.Com Content Network
The sclera's blood vessels are mainly on the surface. Along with the vessels of the conjunctiva (which is a thin layer covering the sclera), those in the episclera render the inflamed eye bright red. [6] In many vertebrates, the sclera is reinforced with plates of cartilage or bone, together forming a circular structure called the sclerotic ring.
Later procedures focused on modifying the axial length of the eye, by preventing elongation and staphyloma progression by placing grafts over the posterior part of the eye. In 1930, Shevelev proposed the idea of transplantation of fascia lata for sclera reinforcement. [8] Curtin promoted the use of donor-sclera grafting for reinforcement. [9]
The technique he used during the procedure, injecting the sclera with blue dye, is similar to an established method practiced by surgeons who install eye implants. [11] Larratt's wife Rachel underwent a procedure where the surgeon injected small drops of saline to create a fluid-filled pocket between the conjunctiva and the sclera, where he ...
Some advanced face and eye powders contain optical brightener microspheres that brighten shadowed or dark areas of the skin, such as "tired eyes". End uses of optical brighteners include: Detergent whitener (instead of bluing agents) Paper brightening (internal or in a coating) Fiber whitening (internal, added to polymer melts)
If the eyelids are open for a few hours after death, a film of cell debris and mucus forms two yellow triangles on the sclera, each at side of the iris, with base towards the margin of cornea and apex towards medial or lateral canthus of the eye, which becomes brown and then black within a few hours, upon which dust settles and the surface ...
The sclera and cornea form the fibrous tunic of the bulb of the eye; the sclera is opaque, and constitutes the posterior five-sixths of the tunic; the cornea is transparent, and forms the anterior sixth. The term "corneosclera" is also used to describe the sclera and cornea together. [1]
Eye: Ocular manifestations are frequent in patients with ochronosis; most commonly hyperpigmentation of the sclera, primarily observed symmetrically to both sides of the cornea within the palpebral fissure. Furthermore, brown pigment spots in the limbus are generally considered pathognomonic.
Scleral lenses may be used to improve vision and reduce pain and light sensitivity for people with a growing number of disorders or injuries to the eye, such as severe dry eye syndrome, microphthalmia, keratoconus, [1] corneal ectasia, Stevens–Johnson syndrome, Sjögren's syndrome, [2] aniridia, neurotrophic keratitis (anesthetic corneas), complications post-LASIK, higher-order aberrations ...