Thyroid blood tests help figure out how well your thyroid gland is working. TSH helps the thyroid gland know when to make more thyroid hormones. Free T4 is the type of hormone that becomes active when ...

A glaucoma test is a complete eye exam that checks vision, eye health, and optic nerve health. Glaucoma is an eye disease that damages the optic nerve. A complete eye exam can diagnose this condition.