Snakes Eye

Boa constrictor 1980 Eye Normal The pigmentationmasksthe eye P Zwart kopie 2

Boa constrictor  Eye Normal The pigmentation “masks”the eye in the field

 

Elaphe schrenckii Mold to come P. Zwart kopie

Elaphe schrenckii Awaiting mold

Boa constrictor afgesneden Obstruction lacrimal duct P. Zwart

Boa constrictor Eye Spectacle overfilled Photo P. Zwart