Eye manifestations

Ocular toxoplasmosis is perhaps the most common manifestation of Toxoplasma infection in the immuno-competent individual. It has been considered as being of congenital origin but there is new evidence indicating that it can also be the manifestation of an acquired infection (Glasner et al. 1992; Ronday et al. 1994; Montoya and Remington 1996).

Retinochoroiditis is commonly found and lasts on an average for four months. The natural course usually takes weeks to months. The patient suffers in general from two to three attacks in a lifetime (Friedman and Knox 1969). It typically involves one eye at a time. Both eyes may, however, have chorioretinal scars. Initial symptoms include floaters and decreased visual acuity. Pain and redness are unusual findings but may occur if a secondary iridocyclitis develops. The bulbar conjunctiva, cornea, and anterior chamber are usually normal. From the active focus of the retina, a dense vitreous reaction with cellular material exudes, creating a 'headlight in the fog' appearance typical for this condition. Reactivated retinal lesions are usually found at the border of old atrophic scars. Retinal vessels may be sheathed with inflammatory cells, and a localized serous detachment of the retina may develop. The cysts may be identified not only in previously active spots but also in normal retinal tissue. Reactivation may be triggered by factors such as stress, pregnancy, trauma, and conditions causing immuno-incompetence (Sherman and Nozik 1992).

How To Reduce Acne Scarring

How To Reduce Acne Scarring

Acne is a name that is famous in its own right, but for all of the wrong reasons. Most teenagers know, and dread, the very word, as it so prevalently wrecks havoc on their faces throughout their adolescent years.

Get My Free Ebook


Post a comment