Chris,
It's not uncommon for turtles to have gummy eyes right after hibernation so continue to the soak the turtle in tepid water daily until the eyes appear bright. If it doesn't look completley better after a week of soaking and prolong warm temps-you should take the turtle to a vet for a check up. Or sooner if you notice any abnormal behaviors or other odd symptoms.
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Tess Cook
www.boxturtlesite.info