I saw these visual continuity fixes on DeviantArt. Personally I don’t think it’s a big deal, but I’ll just link them here in case it’s something you might be interested in changing.
https://www.deviantart.com/aggeiw/art/Vader-Prisoned-217140895
https://www.deviantart.com/aggeiw/art/Darth-vader-Errors-Birth-217140746
https://www.deviantart.com/aggeiw/art/Vader-Head-Fixed-217140961