Opegra offer cataract and YAG on the NHS at:
Optegra, Aston University Campus, Coleshill St, Birmingham B4 7EH
The best way to make a cataract referral is directly via the Opera platform, more information here.
Otherwise you can refer via NHSmail to optegra.referrals1@nhs.net
They can be contacted on 020 7509 4186
Make sure to indicate that you want the patient seen at the Birmingham site.
They also offer YAG, referral via the same email address as cataract.