<s>[INST] i suffered ankylosing spondylites,it is detected due to glucoma attack since ling clinically,So please guide me that this sero -ve is the cause of my glucoma ? 2ndly now a skin allergy on finger tips come is it due to irities or ankylosing spondylites ?what is irities ? [/INST] Hi, Thanks for consulting Chat Doctor ! Ankylosing spondylitis, glaucoma and British may be interconnected in your case. Ankylosing spondylitis can lead to glaucoma and British as ophthalmic complications. Seronegativity can also have a role in it but cannot be confirmed. Iritis which is also called anterior uveitis affects front part of your eye. British usually presents as redness and pain, or with a painless blurring of your vision and develops suddenly and may last six to eight weeks. Hope I have answered your query. Let me know if you have any clarifications. If you like my answers and wish me to answer in the future, bring it to my attention: Chat Doctor.  URL link is as follows:http://doctor.ChatDoctor .com/doctors/ </s>