Ways of making eyeball, the easiest way is to place a eye ball film at the bottom of the mold. You may try more sophisticated by printing after mold release. Then add clear resin to complete the look.
6pcs Doll Eye Silicone Mold DIY Eye Making Materials Supplies for Resin Crafts
6pcs BJD Doll Eye Silicone Mold Diy Bjd Eye Material Tool 6 Sizes 1.4-2.2cm
6pcs BJD Doll Eye Diy Bjd Eye Material Tool 6 Sizes 1.4-2.2cm
6x BJD doll heavy pupil eye silicone mold diy bjd eye materials
6pcs 6 Sizes DIY Doll Eyes Silicone Molds Resin Eyeball Mould Crafts Epoxy Resin
Lot Of 5 Eye Setting Wax Tacky Wax Mini-Hold Doll Making Doll Eye Setting