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.
Causes of Similar Symptoms to Double vision. Research the causes of these symptoms that are similar to, or related to, the symptom Double vision: 1  Blurred vision (982 causes). 2  Peripheral vision loss (72 causes). 3  Vision changes (2526 causes). 4  Strabismus (266 causes). 5  Diabetes (212 causes). 6  Graves disease (10 causes). 7  Eye muscle trauma.