Topamax may cause problems with the eyes, including serious problems that can lead to vision loss or blindness. One of these problems is called open angle . We are reporting two cases of suspected topiramate induced visual field defects.. . A visual field defect is partial loss of the usual field of vision, that maybe . Abstract. The case of a 20 year old female presenting with overnight acute loss of vision is reported. The patient was recently started on topiramate (Hitop) for her . Our Topamax Side Effects Drug Center provides a comprehensive view of sudden vision loss, pain around or behind your eyes;; dry mouth, increased thirst, . In September of 2001, Ortho-McNeil Pharmaceutical, Inc. issued a warning statement regarding potential side effects of Topamax, which may include acute . Mar 20, 2010 . If you are already taking Topamax and you notice any early signs of vision loss or eye pain please see an ophthalmologist immediately.As an optometrist, I get asked about visual changes from medications on a that could have you not only seeing poorly, but at risk for permanent vision loss!Read this Medication Guide before you start taking TOPAMAX and each time you get. These eye problems can lead to permanent loss of vision if not treated.Nov 18, 2009 . by her internist due to sudden bilateral vision loss and nondescript eye pain. In fact, angle closure from Topamax use can occur in younger .