CANNOT SEE (ANY) FURTHER THAN THE END OF ONE'S NOSE

cannot see (any) further than the end of one's nose: translation

see no further than the end of one's nose & cannot see (any) further than the end of one's nose & can't see beyond the end of one's nose

Fig. to be narrow-minded; to lack understanding and perception. •

She is so selfish she can see no further than the end of her nose.

•

You don't care about anyone but yourself. You can't see any further than the end of your nose.