それが見えないようなら明盲だ。の英語

You must be blind as a bat if you couldn't see it.

I can't see that far.

Don't look at me like that.

Don't look at me that way.

of something, the state of being visually vague

You can't mistake it.

the state of not being able to see well because of one's flickering vision

inability to see clearly in dim light

It is too dark to see clearly.

achromatic vision

I have no idea what it is.

make less visible or unclear

It is a sight not to be seen elsewhere.

to become unable to see clearly due to deterioration in one's vision

It is visible to the naked eye―invisible to the naked eye.

the state of being unable to be looked at directly due to shining with light

a dimness of sight

a lack of visual brightness

If you turn a blind eye to something, you ignore it.

You mustn't pretend to not see that.

It is Greek to me.

unclearness by virtue of not being explicit

opacity to light

Don't look at me.

Don't look at us.

inexplicitness as a consequence of being implied or indirect

(of things that formerly could not be seen) to begin to be visible

of something, being vague or unclear

That field of vision isn't very good.

It is rude to stare at strangers.