Step 1: Syringe in the eye - Halloween makeup
-plastic needless syringe
-makeup in various shades of a bruise (purple, blue, yellow)
-Halloween store blood
-clown red Halloween store makeup
The first thing to do, to make your own prosthetic, is to pour out some liquid latex onto wax paper. Estimate a circle that will be slightly larger than your eye socket. You will want the prosthetic large enough to glue to the boney area of your eye socket. If you eye ball (pun intended) measurements like I do, you may want to make a few test pieces and allow them to dry before you make your final prosthetic. The photo posted shows one of my test "discs" and my final product. I added a small piece of foam to it to look like a section on bone but this step was useless in the overall effect so ignore the small white disc.
Once you have an idea for how big to make your prosthetic, pour out your latex and allow to dry about half way. This will take a couple of hours if left at ambient conditions. Once your latex is about half dry, take your plastic needless syringe (with the plunger removed) and place it into your pile of latex. It doesn't have to be pretty or perfect, just get it in there. Use whatever items you have lying around to prop up the syringe at an angle as it is drying. You will need to prop up the syringe to get an angle so that a portion of the syringe body is also in the latex for added stability (approx 45 degrees). Over the next few hours as the latex continues to dry, occasionally take some more liquid latex and build it up around the syringe tip. Once it has dried, you can remove your prosthetic from the wax paper. Make sure that the syringe tip is blocked off by the latex so no liquid or air can leak out. You can always add more latex to seal off the tip of the syringe or to build up around the syringe for stability, if you need to.
These are disposable syringes that can be found through medical supply shops. REMEMBER, you don't need the needle so make sure you just purchase the plastic syringe.