Endocrine

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Endocrine

Endocrine Alex V. Levin Thomas W. Wilson Robert Pashby The pituitary gland is responsible for regulating hormonal activity within the body. Abnormalities of the pituitary gland may lead to hormonal…

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Iris and Pupils

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Iris and Pupils

Iris and Pupils Alex V. Levin Thomas W. Wilson J. Raymond Buncic David Rootman The iris is formed during ocular development by an extension of the optic vesicle (neuroectoderm) forward…

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Orbit

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Orbit

Orbit Alex V. Levin Thomas W. Wilson Dan DeAngelis Robert Pashby Jeffrey Hurwitz The orbit contains multiple tissues, each of which is subject to disease. A disease process in any…

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Lens

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Lens

Lens Alex V. Levin Thomas W. Wilson David Rootman The lens of the eye is derived from surface ectoderm, which invaginates into the optic vesicle during embryogenesis. This newly formed…

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Chromosomes

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Chromosomes

Chromosomes Nasrin Najm-Tehrani Alex V. Levin The genetic information in each cell is in the form of DNA, the majority of which is in the nucleus as chromosomes. A much…

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Glaucoma

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Glaucoma

Glaucoma Alex V. Levin J. Raymond Buncic Elise Héon Glaucoma may manifest at any time during childhood. Congenital and infantile glaucoma usually involves a primary dysgenesis of the trabecular meshwork…

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Conjunctiva

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Conjunctiva

Conjunctiva Alex V. Levin Thomas W. Wilson David Rootman Jerome Kazdan The conjunctiva is derived from surface ectoderm and has an important role in maintaining ocular surface integrity. Goblet cells…

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Lids and Adnexa

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Lids and Adnexa

Lids and Adnexa Alex V. Levin Thomas W. Wilson Robert Pashby Dan DeAngelis The lids and adnexa are composed of the anterior and posterior lamella. The anterior lamella is composed…

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Lacrimal

Jul 29, 2016 by in OPHTHALMOLOGY Comments Off on Lacrimal

Lacrimal Alex V. Levin Thomas W. Wilson Dan Deangelis Robert Pashby Jeffery Hurwitz The lacrimal system includes the lacrimal gland, upper and lower lid puncta, upper and lower lid canaliculus,…

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