Christopher Joseph Rudnisky MD MPH FRCSC


Trabeculectomy (Filtration Surgery) for Glaucoma

During trabeculectomy—sometimes also called filtration surgery—a piece of tissue in the drainage angle of the eye is removed, creating an opening. The opening is partially covered with a flap of tissue from the sclera, the white part of the eye, and the conjunctiva, the clear thin covering over the sclera. This new…

Photodynamic Therapy for Age-Related Macular Degeneration

Photodynamic therapy (PDT) is a treatment for wet age-related macular degeneration (wet AMD). It is not used to treat dry AMD. Photodynamic therapy may be recommended if you can’t have injections of medicines to treat your AMD or if these injections don’t work. 1 In photodynamic therapy, a light-sensitive medicine…

Optical Coherence Tomography

An optical coherence tomography (OCT) scan uses light beams to make detailed images of the inside of the eye. This test can find eye problems such as age-related macular degeneration or glaucoma. During the test, light beams are focused onto the back of the eye. The test can help find retina or optic nerve problems…

Open-Angle Glaucoma

Open-angle glaucoma is the most common type of glaucoma, in which slow damage to the optic nerve in the back of the eye causes gradual loss of vision. The cause is not well understood but in some cases may be increased pressure in the eye (intraocular pressure) that results from the buildup of fluid inside the eye…

Presbyopia

In presbyopia, the lens thickens and loses its flexibility, and the eye cannot focus on a near object. Light entering the eye is focused (focal point) behind the retina instead of on the retina. This causes blurred vision.