Translation of "Hurtful" in Japanese

The glaring light is hurtful to the eyes.

そのどぎつい光は目に悪い。

And to understand why comments like this are hurtful,

そして こんなコメントが 何故 人を傷つけるのかを理解する為であり

I know that Tom can be blunt, but the more hurtful one seems to be Mary, doesn't it?

トムが辛いのは分かるけど、本当に傷ついてるのはメアリーの方なんじゃないかな。