In general, eye exam cost around $50 in some retail stores and optical chains such as target. The average cost of eye exam for those without insurance is $114. It is cheaper when done in chains because they are also inadvertently making you buy their glasses and other products. The good news is that membership may not even be required. You must always remember that it will be helpful to ask for a copy of the prescription when you pay for your eye exam. If you happen to spot a chain that offers discounted eye exam deals for those without insurance, might as well grab it. Living Social offers this. Sometimes, their eye exam cost just $35. Some of these companies are really ideal for those who have no insurance. How much should you prepare for an eye exam, I think the best answer is the more the better on the safe side.