Blind Savant

Prerequisites: No natural vision
You have become very sensitive to your environment to make up for your vision troubles. As long as you are not wearing a helmet, you gain the following benefits:

• Increase your Wisdom by 1, to a maximum of 20.
• You gain Blindsight up to 60 feet.
• Perception checks, not involving sight, are made with advantage. You automatically fail any perception checks made involving sight.