Replacing a Cornea
REPLACING A CORNEA The cornea is the transparent outer membrane of the eye. Many things can impair the functioning of the cornea - abrasion, cataracts, infections and chemical burns - but this damage can be repaired by surgically replacing the cornea. Parts of the human eye Superior rectus muscle Retina Blood vessels Blood vessels Lens Iris Optic nerve Inferior rectus muscle Cornea Ciliary muscle Conjunctiva of the eyeball Replacement procedure 2 3 Suture Incision Damaged Cloudy and scratcfted cornea cornea New ornea stitched Into place removed A cornea can be damaged from several causes. The damage prevents clear vision much like trying to look through fogged or scratched glass. A new cornea is transplanted and sutured into the remaining tissue. The transplant must come from a human donor. A full recovery can take from a few weeks to a year. The surgeon removes a circular portion of the cornea, removing the damage. Source: The New World Book Encyclopedia, Destiry, Inc, WOODY VONDRACEK / The News & Observer REPLACING A CORNEA The cornea is the transparent outer membrane of the eye. Many things can impair the functioning of the cornea - abrasion, cataracts, infections and chemical burns - but this damage can be repaired by surgically replacing the cornea. Parts of the human eye Superior rectus muscle Retina Blood vessels Blood vessels Lens Iris Optic nerve Inferior rectus muscle Cornea Ciliary muscle Conjunctiva of the eyeball Replacement procedure 2 3 Suture Incision Damaged Cloudy and scratcfted cornea cornea New ornea stitched Into place removed A cornea can be damaged from several causes. The damage prevents clear vision much like trying to look through fogged or scratched glass. A new cornea is transplanted and sutured into the remaining tissue. The transplant must come from a human donor. A full recovery can take from a few weeks to a year. The surgeon removes a circular portion of the cornea, removing the damage. Source: The New World Book Encyclopedia, Destiry, Inc, WOODY VONDRACEK / The News & Observer REPLACING A CORNEA The cornea is the transparent outer membrane of the eye. Many things can impair the functioning of the cornea - abrasion, cataracts, infections and chemical burns - but this damage can be repaired by surgically replacing the cornea. Parts of the human eye Superior rectus muscle Retina Blood vessels Blood vessels Lens Iris Optic nerve Inferior rectus muscle Cornea Ciliary muscle Conjunctiva of the eyeball Replacement procedure 2 3 Suture Incision Damaged Cloudy and scratcfted cornea cornea New ornea stitched Into place removed A cornea can be damaged from several causes. The damage prevents clear vision much like trying to look through fogged or scratched glass. A new cornea is transplanted and sutured into the remaining tissue. The transplant must come from a human donor. A full recovery can take from a few weeks to a year. The surgeon removes a circular portion of the cornea, removing the damage. Source: The New World Book Encyclopedia, Destiry, Inc, WOODY VONDRACEK / The News & Observer REPLACING A CORNEA The cornea is the transparent outer membrane of the eye. Many things can impair the functioning of the cornea - abrasion, cataracts, infections and chemical burns - but this damage can be repaired by surgically replacing the cornea. Parts of the human eye Superior rectus muscle Retina Blood vessels Blood vessels Lens Iris Optic nerve Inferior rectus muscle Cornea Ciliary muscle Conjunctiva of the eyeball Replacement procedure 2 3 Suture Incision Damaged Cloudy and scratcfted cornea cornea New ornea stitched Into place removed A cornea can be damaged from several causes. The damage prevents clear vision much like trying to look through fogged or scratched glass. A new cornea is transplanted and sutured into the remaining tissue. The transplant must come from a human donor. A full recovery can take from a few weeks to a year. The surgeon removes a circular portion of the cornea, removing the damage. Source: The New World Book Encyclopedia, Destiry, Inc, WOODY VONDRACEK / The News & Observer REPLACING A CORNEA The cornea is the transparent outer membrane of the eye. Many things can impair the functioning of the cornea - abrasion, cataracts, infections and chemical burns - but this damage can be repaired by surgically replacing the cornea. Parts of the human eye Superior rectus muscle Retina Blood vessels Blood vessels Lens Iris Optic nerve Inferior rectus muscle Cornea Ciliary muscle Conjunctiva of the eyeball Replacement procedure 2 3 Suture Incision Damaged Cloudy and scratcfted cornea cornea New ornea stitched Into place removed A cornea can be damaged from several causes. The damage prevents clear vision much like trying to look through fogged or scratched glass. A new cornea is transplanted and sutured into the remaining tissue. The transplant must come from a human donor. A full recovery can take from a few weeks to a year. The surgeon removes a circular portion of the cornea, removing the damage. Source: The New World Book Encyclopedia, Destiry, Inc, WOODY VONDRACEK / The News & Observer
Replacing a Cornea
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