I have found my favorite all-time eyelash curler in the Tweezerman ProCurl Curler. Not even kidding. Better even than the infamous Shu Uemura one.
ProCurl Curler features a narrow top bar (the top area where their logo is etched) which adapts to all types of eye shapes. They also include thick rounded silicone pads, which helps your lashes get super curled.
The one thing I really noticed the difference in though is the handle where you put your fingers. It’s doubled up, which makes it feel very sturdy and strong. It feels less likely to slip out of my fingers.