Yes, Zhewitra 20 mg, which is a medication used to treat erectile dysfunction, can cause vision changes as a side effect. Some people might experience blurred vision, sensitivity to light, or other visual disturbances. These effects are relatively rare but can occur. If you notice any sudden or severe vision changes while taking Zhewitra 20mg medication, it’s important to contact your healthcare provider immediately. They can help determine if the medication is the cause and discuss alternative treatments if necessary.