If my opponent has a Pokémon with only 2 damage counters on it, can I still use Absol-EX's "Cursed Eyes" Poké-POWER on it?
Yes, you can. If you use this power, you move the 2 damage counters to another one of your opponent's Pokémon.
Source: Power Keepers FAQ (2007-02-01), PUI Rules Team (2007-02-01)

Relevant cards

Note: All applicable cards may not be listed below.
EX16_92