Hormone Levels & Fertility Bloodwork. Please note that all labs have their own normal values, and those presented in these charts are just an average. These charts are provided as a tool to help patients have a better dialog with their doctors, not for self-diagnosis or as a substitute for good medical care.
The Causes of Tunnel Vision. Tunnel vision can be caused by a host of medical and biological conditions ranging from blood loss, alcohol consumption through to mercury poisoning and a bite from a black mamba (a type of poisonous snake). The leading causes of the condition are listed below: Glaucoma.
While double vision (also called diplopia) may be temporary, you should still schedule an eye exam with your eye doctor to find out what's going on. Double vision can occur by itself with no other symptoms. Depending on the cause, other symptoms may be present with double vision, such as: Misalignment of one or both eyes (a wandering eye or cross-eyed appearance) Pain with eye movements in one or both eyes.