The sight test fee. Optometrists are making more thoughtful referrals.
Pullum
K W
KW
D005901:Glaucoma / Q000175:diagnosis; D006801:Humans; D009907:Optometry; D012017:Referral and Consultation / Q000706:statistics & numerical data; D006113:United Kingdom; D014787:Vision Tests / Q000191:economics*