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double-blind procedure-an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; a double-blind procedure is used to guard against both experimenter bias and placebo effects.ouble-blind procedure-an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; a double-blind procedure is used to guard against both experimenter bias and placebo effects.
How Is Double Vision Treated? Double vision can be treated by first identifying and treating the underlying cause. Surgery may be the answer if weak eye muscles are the cause, while other issues, such as diabetes and myasthenia can be treated with medications. If diplopia canât be reversed, there are treatments to help people manage and live with double vision. Wearing an eye patch or prism glasses, which help align the two images into one, can help. Can You Prevent Double Vision? Prevention of double vision relies on prevention of the underlying causes of the vision issue. Here are a few tips to keep your eyes healthy: Control your diabetes â Patients with diabetes who follow treatment plans have a lower risk of developing double vision.