Many apparent cases of congenital mydriasis show abnormalities of the central iris structures and may be considered a form of aniridia. Coloboma of the iris: MedlinePlus Medical Encyclopedia Coloboma of the iris can look like a second pupil or a black notch at the edge of the pupil. Astigmatism is an optical defect that causes blurred vision due to the eyes inability to properly focus an image on the retina. Aniridia can be sporadic or familial. /* ]]> */ Blurry Vision Conjunctivitis - Pink Eye Corneal Abrasions Dry Eyes Eye Discharge Eye Pain Dilated Pupils Eye Infections Puffy Eyes More Eye Conditions More Eye Conditions Featured Eye Twitching Ocular Migraines Red Eyes Styes Swollen Eyelids How to Get Rid of a Stye Blepharitis Chalazion Eye Floaters morton ranch junior high bell schedule. !function(e,a,t){var n,r,o,i=a.createElement("canvas"),p=i.getContext&&i.getContext("2d");function s(e,t){var a=String.fromCharCode;p.clearRect(0,0,i.width,i.height),p.fillText(a.apply(this,e),0,0);e=i.toDataURL();return p.clearRect(0,0,i.width,i.height),p.fillText(a.apply(this,t),0,0),e===i.toDataURL()}function c(e){var t=a.createElement("script");t.src=e,t.defer=t.type="text/javascript",a.getElementsByTagName("head")[0].appendChild(t)}for(o=Array("flag","emoji"),t.supports={everything:!0,everythingExceptFlag:!0},r=0;r10 Keratoconus Treatments - Plus Causes, Symptoms - All About Vision