Here is what the condition is. It mentions the eye, but are you sure the vet told you Chlamydia?
Chlamydia are intracellular parasites. They cause inflammation of the urethra, vagina, cervix, uterus, fallopian tubes, anus and ovaries. They cause a sexually transmitted disease, that may also be transmitted to the eyes or lungs of a newborn infant. When chlamydia is diagnosed, all sexual partners must be treated. Sexually transmitted Chlamydia infections are the most common sexually transmitted infection in the U.S. Trachoma is a persistent eye infection caused by Chlamydia trachomatis. It is common in underdeveloped parts of the world, particularly hot climates with poor sanitation. It is one of the world's leading causes of blindness. It may also cause an acute conjunctivitis of the eye.
Chlamydia trachomatis bacteria is spread by vaginal sexual intercourse, rectal sexual intercourse and oral-genital contact Vaginal infection during delivery of a newborn may infect the baby. Trachoma, caused by infection of the eye with this organism, is spread with contaminated hands or through flies. It occurs in areas of crowding and poor sanitation.
Symptoms of sexually transmitted chlamydia infections include vaginal discharge or urethral discharge. There may be anal swelling. Pain may occur in the rectum with discharge. There may be redness and swelling of the vagina or the tip of the penis. Lower midline abdominal pain may occur. Painful urination may develop. If infection develops in the eye it will produce a red, painful eye. There is increased tearing.