Shortsighted (adjective)

1. Failing to consider the future consequences of one's actions.
2. Not able to see things clearly at a distance.

Origin:

Mid 17th century: from short- + sighted.

Examples:

1. The decision was shortsighted and had negative consequences in the long run.
2. His shortsighted approach to the project caused delays and increased costs.
3. The company's shortsighted policies are not sustainable in the long term.
4. He was shortsighted and needed glasses to read.
5. The shortsighted investor lost a lot of money in the stock market.