https://www.vetsurgeon.org/f/clinical-questions/14890/ophthalmology-advice Hi all, My colleague at another branch saw an approx 3yr old mn dsh yesterday for a general check over - and noticed his eyes are rather unusual looking! Ocular exam was normal apart from these coloured &#39;streaks&#39; over both pupils, and the cat doensen-USTelligent Community 10https://www.vetsurgeon.org/thread/86316?ContentTypeID=1Fri, 12 Apr 2013 11:03:32 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:24045564-5e5d-4562-9826-a3c4ef9b89d7Robert Lowe<p>Hi Kat</p> <p>It is persistence of the pupillary membrane and it can be quite spectacular in cats.&nbsp;</p> <p>Vision is pretty much unaffected even in marked cases like this and no other issues are likely to develop.</p> <p>Rob</p><div style="clear:both;"></div>