periocular leukotrichia

A transient condition in colour point cats, predominately female Siamese that is characterized by a patchy or complete lightening of colour of hairs around the eyes. Giving facial markings that have a "goggle" like appearance. The condition relates to various stresses, pregnancy, illnesses, nutritional deficiency and/or hormonal fluctuations. The hair colour generally returns to normal after 2 hair cycles.

SOURCE: cat-world.com.au