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Ocular Surgery Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

ptosis repair

Intermediate Technical IVT

Surgical correction of drooping upper eyelid to improve vision and cosmetic appearance.

Showing 1–24 of 100

Accommodative IOL

Intermediate Technical IVT

Intraocular lens designed to change position or shape to provide variable focal power and reduce presbyopia.

Technical Term Full entry →

ahmed valve

Professional Technical IVT

Glaucoma drainage device with flow restrictor to regulate aqueous humor outflow.

Technical Term Full entry →

anisocoria

Intermediate Technical IVT

Unequal pupil sizes, which may be physiological or indicate underlying neurological or ocular pathology.

Technical Term Full entry →

anterior chamber

Intermediate Technical IVT

Fluid-filled space between the cornea and iris containing aqueous humor.

AC
Technical Term Full entry →

anterior synechia

Intermediate Technical IVT

Adhesion between the iris and cornea or anterior chamber angle structures.

Technical Term Full entry →

aphakia

Intermediate Technical IVT

The absence of the natural crystalline lens, either congenital or following surgical removal.

Technical Term Full entry →

Aqueous misdirection

Advanced Technical IVT

Abnormal flow of aqueous humor posteriorly into the vitreous cavity, causing anterior lens displacement and angle closur...

Technical Term Full entry →

Biometry

Intermediate Technical IVT

Precise measurement of ocular dimensions used to calculate intraocular lens power for cataract surgery.

Technical Term Full entry →

blepharoplasty

Intermediate Technical IVT

Surgical procedure to remove excess skin, muscle, or fat from the eyelids.

Technical Term Full entry →

capsular bag

Intermediate Technical IVT

The remaining natural lens capsule after cataract extraction, which serves as the location for IOL implantation.

Technical Term Full entry →

Capsular fibrosis

Intermediate Technical IVT

Scarring and contraction of the lens capsule following cataract surgery, potentially affecting IOL position and vision.

Technical Term Full entry →

Capsular phimosis

Advanced Technical IVT

Progressive contraction of the anterior capsule opening following cataract surgery, potentially affecting IOL position.

Technical Term Full entry →

Capsular tension ring

Intermediate Technical IVT

Circular device implanted to stabilize the lens capsule during cataract surgery when zonular support is compromised.

CTR
Technical Term Full entry →

capsulorrhexis

Professional Technical IVT

Circular tear in the anterior lens capsule performed during cataract surgery.

Technical Term Full entry →

chalazion excision

Intermediate Technical IVT

Surgical removal of a chronic inflammatory eyelid lesion through the conjunctival surface.

Technical Term Full entry →

chemosis

Intermediate Technical IVT

Swelling of the conjunctiva, often appearing as a fluid-filled blister around the cornea.

Technical Term Full entry →

choroidal detachment

Intermediate Technical IVT

Separation of the choroid from the sclera, often associated with hypotony or inflammation.

Technical Term Full entry →

Choroidal neovascularization

Advanced Technical IVT

Abnormal blood vessel growth from the choroid through Bruch's membrane, often associated with age-related macular degene...

Technical Term Full entry →

Corneal astigmatism

Intermediate Technical IVT

Irregular corneal curvature causing distorted vision, requiring correction during refractive or cataract surgery.

Technical Term Full entry →

Corneal edema

Intermediate Technical IVT

Corneal swelling due to endothelial dysfunction or trauma, affecting visual clarity and surgical outcomes.

Technical Term Full entry →

Corneal epithelial defect

Intermediate Technical IVT

Loss or disruption of the outermost layer of corneal cells, often requiring surgical intervention or protective measures...

Technical Term Full entry →

Corneal perforation

Advanced Technical IVT

Full-thickness defect in the cornea allowing communication between the anterior chamber and external environment.

Technical Term Full entry →

Corneal topography

Intermediate Technical IVT

Diagnostic imaging technique that maps the curvature and surface irregularities of the cornea for surgical planning.

Technical Term Full entry →

corneoscleral incision

Intermediate Technical IVT

Surgical incision made at the junction between the cornea and sclera, commonly used in cataract surgery.

Technical Term Full entry →
Showing 1–24 of 100

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