I have the same problem and I tried IPL before which could lighten the color but can't last long, all coming back..
I found a new product from india call kama ayurveda which can really lighten feckles on my face.. and it can use for eyes area too.. I'm using it for 4-5 months now.. so far so good. You can check from website www.ktenterprise.com.hk and order it online for the miraculous fluid. I just bought a set for my stock last week.