Diabetesĭiabetes affects the body’s ability to regulate insulin, which can lead to elevated blood sugar levels. This effect can be temporary, but it can also have permanent effects if brain damage occurs due to a sustained restriction in blood and oxygen to the brain and nerves of the eye. StrokeĪ stroke is caused by a severe restriction of blood flow to the brain, and one of the side effects is a full or partial loss of vision. ![]() However, if you experience impaired vision for more than 60 minutes, it’s time to seek immediate medical assistance.Īvoid operating a motor vehicle or any heavy equipment while experiencing tunnel vision or any other visual effects from migraines. Fortunately, this effect is usually temporary. In addition to being very painful, migraines can also induce tunnel vision.Ī migraine can create numerous problems with vision, including both tunnel vision and a lateral or complete loss of the ability to see. Because glaucoma impacts the optic nerve, which transmits visual sensory input from the eye to the brain, this condition can induce tunnel vision in many cases. Glaucoma is one of the most common causes of tunnel vision. The particular cause will influence how tunnel vision manifests and its treatment. Tunnel vision can have several causes, including glaucoma, stroke, migraines, heavy alcohol consumption, blood loss, and even the use of some hallucinogenic drugs. Individuals with tunnel vision may experience difficulties maintaining balance, judging distances, and walking in crowded spaces without bumping into things or people. ![]() The result is a shrinking of the visual field, eliciting a narrow, tunnel-like appearance. Technically referred to as peripheral vision loss (PVL), tunnel vision is a significant impairment to or loss of peripheral vision while central vision is maintained. Tunnel vision is a temporary or permanent loss of peripheral vision.
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