The standards for a FAA third-class medical go beyond just what's on the official "disqualifying" list. It's not a walk in the park.
From personal experience, they care a great deal about your eyesight.
To start, you'd want to look through the AME Guide [1] and the rules in 14 CFR 67 Part D [2].
[1] https://www.faa.gov/about/office_org/headquarters_offices/av...
[2] https://www.law.cornell.edu/cfr/text/14/part-67/subpart-D