OPHTHALMOLOGY

General surgical care

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on General surgical care

THE SURGICAL DECISION The decision to operate on any eye is a serious one that glaucoma surgeons confront in two basic situations. The first is when the intraocular pressure (IOP)…

read more

Hyperosmotic agents

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Hyperosmotic agents

Although the effect of hyperosmotic agents on intraocular pressure (IOP) has been known for almost a century, these agents became widely used in ophthalmology only in the past 40 years….

read more

Secondary angle-closure glaucoma

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Secondary angle-closure glaucoma

OVERVIEW OF TERMS AND MECHANISMS The diseases discussed in this chapter share a final common pathway of angle closure and obstruction of outflow, but they are associated with contributory or…

read more

Developmental and childhood glaucoma

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Developmental and childhood glaucoma

The developmental glaucomas are a group of disorders characterized by improper development of the eye’s aqueous outflow system, usually manifesting in infancy and childhood. Glaucoma in the infant is an…

read more

Secondary open angle glaucoma

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Secondary open angle glaucoma

PIGMENTARY GLAUCOMA Pigmentary glaucoma is a secondary form of open-angle glaucoma produced by pigment dispersion in the anterior segment of the eye. This condition constitutes 1.0–2.5% of the glaucomas seen…

read more

Optic nerve imaging

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Optic nerve imaging

Glaucoma is an optic neuropathy with characteristic optic nerve appearance and visual field loss for which elevated intraocular pressure (IOP) is one of the main risk factors. This characteristic optic…

read more

Clinical evaluation of the optic nerve head

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Clinical evaluation of the optic nerve head

There are several practical consequences of discarding intraocular pressure (IOP) as central to the definition of glaucoma. One is that the clinician must become proficient at examining the optic nerve…

read more

Primary angle closure glaucoma

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Primary angle closure glaucoma

HISTORICAL REVIEW AND CLASSIFICATIONS The Hippocratic aphorisms include two mentions of blindness, one of which may refer to glaucoma: ‘When headache develops in cases of ophthalmia and accompanies it for…

read more

Optic nerve anatomy and pathophysiology

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Optic nerve anatomy and pathophysiology

In the past decades, two significant changes have impacted how we contextualize the pathogenic mechanisms of primary open-angle glaucoma. The first change is clinically relevant: the elimination of intraocular pressure…

read more

Cholinergic drugs

Feb 12, 2019 by in OPHTHALMOLOGY Comments Off on Cholinergic drugs

The cholinergic drugs are the oldest effective medical treatment for glaucoma. More than 100 years ago, Laqueur used physostigmine (eserine), an extract from the Calabar or ordeal bean, for the…

read more
Premium Wordpress Themes by UFO Themes