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Intraocular Pressure -  SECONDARY OPEN-ANGLE GLAUCOMA Lecture 6 of 17  NEXT»

1. Corneal endothelial disorders

A. Fuchs endothelial dystrophy
B. Posterior polymorphous dystrophy

2. Elevated episcleral venous pressure (see p. 235)
3. Iris disorders

A. Iridoschisis
*B. Pigmentary glaucoma

4. Lens disorders

A. Cataract
(1) Lens particle glaucoma
(2) Phacoanaphylaxis
(3) Phacolytic (lens protein) glaucoma
B. Displaced lens (see p. 317-318)
*C. Exfoliation syndrome

5. Medications or chemicals

*A. Corticosteroids
B. Cycloplegic effect
C. Others

6. Ocular hemorrhage
7. Ocular inflammation
8. Ocular surgery

A. Alpha-chymotrypsin (enzyme glaucoma)
*B. Corticosteroid induced
C. Distortion of anterior chamber angle from limbal or keratoplasty sutures
D. Early postoperative elevation of IOP following cataract surgery (especially in eyes with preexisting glaucoma)
E. Hemorrhage
(1) Degenerated ocular blood
a. Ghost cell glaucoma
b. Hemolytic glaucoma
c. Hemosideric glaucoma
*(2) Hyphema
(3) Internal wound neovascularization (late postoperative hyphema)
(4) Pseudophakia
a. Anterior chamber intraocular lens (IOL), including uveitis, glaucoma, hyphema (UGH) syndrome
b. Iris-fixated IOL
c. Posterior chamber IOL (usually sulcus fixation)
(5) Retrobulbar hemorrhage (massive)
F. Inflammation
G. Intravitreal gas
H. Neodymium: yttrium-aluminum-aluminum-garnet (Nd:YAG) laser  capsulotomy
I. Pseudophakic pigmentary dispersion (e.g., with posterior chamber implant)
J. Retained lens cortex
*K. Retained viscoelastic
L. Silicone oil
M. Sudden closure of cyclodialysis cleft
N. Vitreous filling anterior chamber

9. Ocular trauma

A. Chemical bums (acid, alkali, other)
B. Contusion
(1) Angle recession
*(2) Hyphema
(3) Iritis
(4) Trabecular damage
C. Radiation damage
D. Retained intraocular foreign body (iron, copper)
E. Retrobulbar hemorrhage (massive)

10. Ocular tumors
11. Retinal, vitreous, and choroidal disorders

*A. Neovascular glaucoma-open-angle stage (see p. 324)
B. Retinitis pigmentosa
C. Rhegmatogenous retinal detachment (Schwartz syndrome)

12. Systemic, such as ocular amyloidosis

Duane TD, Jaeger EA. Clinical ophthalmology. New York: Harper & Row, 1994.

Grant WM. Toxicology of the eye, 4th ed. Springfield, IL: Charles C Thomas, 1993.

Nelson GA, et al. Ocular amyloidosis and secondary glaucoma. Ophthalmology 106:1363-1366.

Roy FH. Ocular syndromes and systemic diseases, 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2002.

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