Stroke is the most common cause of homonymous hemianopia (HH) in adults, followed by trauma and tumors. Associated signs and symptoms, as well as visual field characteristics such as location and congruity, can help determine the location of the causative brain lesion. HH can have a significant effect on quality of life, including problems with driving, reading, or navigation. This can result in decreased independence, inability to enjoy leisure activities, and injuries. Understanding these restrictions, as well as the management options, can aid in making the best use of remaining vision. Treatment options include prismatic correction to expand the remaining visual field, compensatory training to improve visual search abilities, and vision restoration therapy to improve the vision itself. Spontaneous recovery can occur within the first months. However, because spontaneous recovery does not always occur, methods of reducing visual disability play an important role in the rehabilitation of patients with HH.
Because of the few systemic adverse effects, prostaglandin analogs are widely used for the treatment of glaucoma. Travoprost should be taken once daily; therefore, overdose is extremely uncommon. Systemic prostaglandins have been found to be mediators of uterine activity and are used to induce labor and terminate pregnancies. The high dose of this topical medication, as well as the compromised cornea, makes this case unique. The unusual circumstances observed in this case greatly expand our knowledge regarding the potential adverse effects of travoprost.
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