Cornea strange transparency effect GLSL

Hi

I’m working on a animal eye. I use game engine with GLSL
I have a strange transparency artefact on the cornea of the eye (See attachement)
The cornea is double sided and i check transparency.


Could you help me how i can escape of this transparency misdeeds ?

Thank you

lastrodamo

I found the error i have check transparency on the skin object. I forgot to uncheck it