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Friday, August 25, 2017

OPTIC NERVE DRUSEN

 The images below were shot with our Optomap Technology.  The top images are the right and left eye.  You can see optic nerve drusen below the optic nerve in the left eye.  These drusen are confirmed with hyperfluorescence at the optic nerve with autofluorescence.



Wednesday, June 21, 2017

OPTIC NERVE HYPOPLASIA

These are photos of the posterior pole of a 31 year old female with best visual acuity of 20/50 in the right eye and 20/15 in the left.  

 The left fundus looks normal. 


The right optic nerve has white, fibrous tissue attached to it which I'm calling fetal tissue, even though it's unusual.  There is some macular epiretinal wrinkling in a pattern that appears to be more tractional than puckering, similar perhaps to that seen in cases of toxocara.  But the other interesting point is that the optic nerve also appears to be underdeveloped, and the blood vessels emanate more from the rim than from the center, suggestive of optic nerve hypoplasia. 

Tuesday, May 30, 2017

EYEDROPS IN PLACE OF AVASTIN INJECTIONS?

University of Birmingham develops revolutionary eye drops to treat age-related blindness
University of Birmingham Medical News

The results of collaborative research, published in the journal Investigative Ophthalmology and Visual Science, could spell the end of painful injections for age–related macular degeneration (AMD).

Scientists led by biochemist Dr Felicity de Cogan, from the University of Birmingham’s Institute of Inflammation and Aging, have invented a method of delivering the injected drug as an eye drop instead, and their laboratory research has obtained the same outcomes as the injected drug.

Thursday, May 4, 2017

SCLERAL LENS COMPRESSION

The patient in the photo below presented with the complaint of red eyes while wearing his scleral contact lens. A scleral contact lens is a rigid gas permeable lens that vaults the cornea and is supposed to land softly on the conjunctiva.  If it lands too steep it will compress blood vessels causing congestion and inflammation.  This patient was refit successfully into a scleral lens that had a much softer landing and the redness subsided. 


VITREORETINAL TRACTION


The above picture is an optical coherence tomography of the macular area of a patient with vitreomacular traction.  You can see the clear vitreous membrane detached from most of the macular area but tightly adherent to the inner limiting membrane at the fovea.  It pulls ont he membrane causing a small underlying cystic space.

Wednesday, November 30, 2016

CHORIORETINAL SCAR

Below is a chorioretinal scar in the macula of the right eye.  differential diagnosis includes presumed ocular histoplasmosis syndrome (POHS) and toxoplasmosis, toxocara, macular coloboma among others. 


Monday, August 15, 2016

RPE DETACHMENT

Below is an OCT of the right eye macula.  An OCT takes a cross-sectional view of the retina.  The macula is the part of the retina that serves the center of your vision.  You can see the dome-shaped space under the retina by the fovea (the exact center of the macula).  This dome-shaped space is focal detachment of the retinal pigment epithelium.  The patient see's 20/20.  Below that is an RPE detachment from another patient.  Notice the double dome.