Bad Sight
You are either nearsighted or farsighted. If non-human, there may be other options but those are left up to the GM. If nearsighted, you cannot read small print, etc. more than a foot away or road signs at more than about ten meters. When using a hand weapon, you are at -1D to your skill rolls. If using a thrown or missile weapon, the range should be based on double the actual range to the target.
If farsighted, you cannot read a book or datapad without proper software without some difficulty (triple time to read) and are at -1D to all DEX or STR checks for close physical labor.
These may be compensated for if in a location with the appropriate tech for cybernetics, glasses, or contacts. This removes all penalties while worn. They can be taken, destroyed, knocked off, etc. by enemies.