In the Literature Fruchter B, Kuzi S, Soueid Y, Pe’er O, Ofri R, Sebbag L. Management of Haws syndrome in cats with gastrointestinal diet: a case series. Vet Ophthalmol. 2026;29(2):e70097. doi:10.1111/vop.70097 The Research … Haws syndrome in cats is elevation of the bilateral third eyelid (ie, nictitating membrane) with no other ocular findings. Diarrhea is a common concurrent clinical sign.