Optometry appt not until 12/23 what can I do to set my fears at bay. Do I ask for blood work, mri, CT scans. Help can't sleep. Brown spots on white of eye?

Suddenly- appearing . brown spots in sclerae should be evaluated, but are not necessarily a resin to panic, as the cause can be benign. If you feel you may need a medical evaluation, you need to see an ophthalmologist, an M.D. who specializes in diseases of the eyes. .