"見える" is not the potential form of "見る", it's the intransitive (自動詞) pair (like “上がる" is to "上げる"). It's a different verb, though a related one, whereas the potential form is a conjugation. The potential form of "見る" is "見られる" or (more recently and more casually) "見れる".
"見える" is not the potential
"見える" is not the potential form of "見る", it's the intransitive (自動詞) pair (like “上がる" is to "上げる"). It's a different verb, though a related one, whereas the potential form is a conjugation. The potential form of "見る" is "見られる" or (more recently and more casually) "見れる".