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Congenital Lid Abnormalities Q  Ankyloblepharon

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Congenital Lid Abnormalities Q  Ankyloblepharon 1 Congenital Lid Abnormalities Q Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos Congenital ectropion Epiblepharon Matching! Dystopia canthorum Congenital entropion Euryblepharon Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 2 Congenital Lid Abnormalities A Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos Congenital ectropion Epiblepharon Dystopia canthorum Congenital entropion Euryblepharon Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 3 Congenital Lid Abnormalities Q Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos What is the classic appearance of cryptophthalmos? Congenital ectropion An expanse of uninterrupted skin from the forehead region to the cheek Epiblepharon Is there an eye under the skin? Of sorts, but it is virtually always profoundly malformed Dystopia canthorum Congenital entropion Can relatively normal lids be surgically constructed? Not easily. The problem is, not only are the lids undifferentiated, but their Euryblepharon architectural elements--tarsal plates, orbicularis muscle, meibomian glands, etc--are absent. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 4 Congenital Lid Abnormalities A Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos What is the classic appearance of cryptophthalmos? Congenital ectropion An expanse of uninterrupted skin from the forehead region to the cheek Epiblepharon Is there an eye under the skin? Of sorts, but it is virtually always profoundly malformed Dystopia canthorum Congenital entropion Can relatively normal lids be surgically constructed? Not easily. The problem is, not only are the lids undifferentiated, but their Euryblepharon architectural elements--tarsal plates, orbicularis muscle, meibomian glands, etc--are absent. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 5 Congenital Lid Abnormalities Cryptophthalmos 6 Congenital Lid Abnormalities Q Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos What is the classic appearance of cryptophthalmos? Congenital ectropion An expanse of uninterrupted skin from the forehead region to the cheek Epiblepharon Is there an eye under the skin? Of sorts, but it is virtually always profoundly malformed Dystopia canthorum Congenital entropion Can relatively normal lids be surgically constructed? Not easily. The problem is, not only are the lids undifferentiated, but their Euryblepharon architectural elements--tarsal plates, orbicularis muscle, meibomian glands, etc--are absent. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 7 Congenital Lid Abnormalities A Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos What is the classic appearance of cryptophthalmos? Congenital ectropion An expanse of uninterrupted skin from the forehead region to the cheek Epiblepharon Is there an eye under the skin? Of sorts, but it is virtually always profoundly malformed Dystopia canthorum Congenital entropion Can relatively normal lids be surgically constructed? Not easily. The problem is, not only are the lids undifferentiated, but their Euryblepharon architectural elements--tarsal plates, orbicularis muscle, meibomian glands, etc--are absent. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 8 Congenital Lid Abnormalities Q Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos What is the classic appearance of cryptophthalmos? Congenital ectropion An expanse of uninterrupted skin from the forehead region to the cheek Epiblepharon Is there an eye under the skin? Of sorts, but it is virtually always profoundly malformed Dystopia canthorum Congenital entropion Can relatively normal lids be surgically constructed? Not easily. The problem is, not only are the lids undifferentiated, but their Euryblepharon architectural elements--tarsal plates, orbicularis muscle, meibomian glands, etc--are absent. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 9 Congenital Lid Abnormalities A Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos What is the classic appearance of cryptophthalmos? Congenital ectropion An expanse of uninterrupted skin from the forehead region to the cheek Epiblepharon Is there an eye under the skin? Of sorts, but it is virtually always profoundly malformed Dystopia canthorum Congenital entropion Can relatively normal lids be surgically constructed? Not easily. The problem is, not only are the lids undifferentiated, but their Euryblepharon architectural elements--tarsal plates, orbicularis muscle, meibomian glands, etc--are absent. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 10 Congenital Lid Abnormalities Q Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos Associated with Goldenhar Congenital ectropion Epiblepharon Dystopia canthorum Congenital entropion Euryblepharon Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 11 Congenital Lid Abnormalities A Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos Associated with Goldenhar Congenital ectropion Epiblepharon Dystopia canthorum Congenital entropion Euryblepharon Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 12 Congenital Lid Abnormalities Upper-lid coloboma in Goldenhar 13 Congenital Lid Abnormalities Q Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos Associated with Goldenhar Congenital ectropion Epiblepharon Dystopia canthorum Lid colobomas associated with Goldenhar—are they found in the upper, or the lower lid? Congenital entropion Depends on who you ask. The BCSC Cornea book says the upper, whereas the Plastics book indicates the lower. EyeWiki Euryblepharonsays upper > lower. The Peds book doesn’t address the issue. Caveat emptor. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 14 Congenital Lid Abnormalities A Ankyloblepharon Blepharophimosis Failure of lid differentiation Cryptophthalmos Associated with Goldenhar Congenital ectropion Epiblepharon Dystopia canthorum Lid colobomas associated with Goldenhar—are they found in the upper, or the lower lid? Congenital entropion Depends on who you ask. The BCSC Cornea book says the upper, whereas the Plastics book indicates the lower. EyeWiki Euryblepharonsays upper > lower. The Peds book doesn’t address the issue. Caveat emptor. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 15 Congenital Lid Abnormalities Q What other ocular structures are commonly colobomatous? Ankyloblepharon --The iris (in general—not in Goldenhar) --The choroid Blepharophimosis --The optic nerve head Failure of lid differentiation Cryptophthalmos Are lid colobomas associated with these others? AssociatedNo with Goldenhar Congenital ectropion Epiblepharon Dystopia canthorum Lid colobomas associated with Goldenhar—are they found in the upper, or the lower lid? Congenital entropion Depends on who you ask. The BCSC Cornea book says the upper, whereas the Plastics book indicates the lower. EyeWiki Euryblepharonsays upper > lower. The Peds book doesn’t address the issue. Caveat emptor. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 16 Congenital Lid Abnormalities A What other ocular structures are commonly colobomatous? Ankyloblepharon --The iris --The choroid Blepharophimosis --The optic nerve head Failure of lid differentiation Cryptophthalmos Are lid colobomas associated with these others? AssociatedNo with Goldenhar Congenital ectropion Epiblepharon Dystopia canthorum Lid colobomas associated with Goldenhar—are they found in the upper, or the lower lid? Congenital entropion Depends on who you ask. The BCSC Cornea book says the upper, whereas the Plastics book indicates the lower. EyeWiki Euryblepharonsays upper > lower. The Peds book doesn’t address the issue. Caveat emptor. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 17 Congenital Lid Abnormalities Q What other ocular structures are commonly colobomatous? Ankyloblepharon --The iris --The choroid What is the pathological process that accBlepharophimosisounts for all of these coloboma types? --The optic nerve head Failure of the embryonic fissure of the optic vesicle to close Failure of lid differentiation Cryptophthalmos Are lid colobomas associated with these others? AssociatedNo with Goldenhar Congenital ectropion Epiblepharon Dystopia canthorum Lid colobomas associated with Goldenhar—are they found in the upper, or the lower lid? Congenital entropion Depends on who you ask. The BCSC Cornea book says the upper, whereas the Plastics book indicates the lower. EyeWiki Euryblepharonsays upper > lower. The Peds book doesn’t address the issue. Caveat emptor. Congenital tarsal kink Epicanthus (epicanthal folds) Lid coloboma Congenital ptosis 18 Congenital Lid Abnormalities A What other ocular structures are commonly colobomatous? Ankyloblepharon --The iris --The choroid What is the pathological process that accBlepharophimosisounts
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