Double vision disturbances

Carbamazepine Dose-related double vision, vertigo, gastrointestinal disturbance Idiosyncratic agranulocytosis, Stevens-Johnson syndrome, aplastic anemia... 

Visual disturbances blurred vision, double vision, halos appear around objects, single-color vision (yellow or green most common), flickering dots or flashes of light. 

The adverse reactions reported in clinical studies affected the central nervous system and appeared to be dose related [268 ]. The most common were drowsiness, dizziness, vertigo, confusion, and slurred speech. Less common adverse reactions included tremor, memory loss, gait disturbances, and double vision. Retigabine reduces bladder contractility in experimental animals [269 ], and it is recommended that patients at risk of bladder dysfunction be identified. 

It acts as an anesthetic about one-fourth as potent as chloroform, and also acts as a narcotic. Inhalation must be avoided. Mild cases of methyl chloride poisoning usually suffer from ataxia, lightheadedness, confusion, tremors, nausea and vomiting, and frequently from anorexia after a latent period of one-half to several hours. Hiccough and constricting pain in the neck may also be experienced. Visual disturbances such as double vision are frequently reported. [1]... 

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