Altered levels of seminal nitric oxide, nitric oxide synthase, and enzymatic antioxidants and their association with sperm function in infertile subjects.

Objective: To investigate the association between specific reactive nitrogen species and sperm function among infertile subjects.

Design: Controlled trial.

Setting: Fertility clinic at the National Institute of Health and Family Welfare, New Delhi, India.

Blepharochalasis.

A-16-year old female with laxity, atrophy, wrinkling and telangiectases of skin of both upper eyelids is being reported. These changes were preceded by recurrent, painless edema of eye lids, starting at the age of 14 years.

Angiokeratoma corporis diffusum.

A case of angiokeratoma corporis diffusum having some classical features with dilatation of retinal vessels, but without urinary signs of renal involvement, is reported.

Pterygium and dry eye--a clinical correlation.

Schirmer's test and tear film break-up time (BUT) were studied in 56 eyes of patients with pterygium and compared with 50 eyes of normal healthy subjects representing the same age, sex and geographical distribution. Both the values were found to be significantly reduced in cases of pterygium indicating the inadequacy of tear film in these patients.