Front-on photograph of the eye showing a corneal scar in the paracentral zone. The horizontal wavy line over the pupil is a strand of hair on the cornea.
Lateral view of eye showing the adhesions between the iris and the corneal endothelium
Medial view of the eye showing adhesions between the iris and the corneal endothelium.
Pumba was a 6-year old DSH cat presented with a complaint of 'a spot in its left eye for over a year'. The cat was clinically normal and ophthalmologic examination revealed no abnormalities excluding the visible anterior synechiae. IOP was within the normal range and fundoscopic examination revealed no abnormal findings. No treatment was advised. The owner was asked to monitor the lesion and review when neccessary.
Anterior synechiae is defined as an adhesion between the iris and the cornea. They are commonly caused due to fight injuries, chronic infections, corneal ulcers, foreign body injury to the eye, hyphema, penetrating wounds to the eye, and surgery.
Dogs and cats are usually asymptomatic but can exhibit signs like squinting, epiphora, and pain. Glaucoma secondary to the closure of the iridocorneal angle is another common sign observed. No treatment is usually advised unless there's a secondary cause like anterior uveitis or glaucoma which is leading to the synechia.
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