HL Deb 06 December 1989 vol 513 c973WA
Lord Northfield

asked Her Majesty's Government:

What estimate they make of the average earnings of opticians from sight tests and from selling of spectacles respectively.

Baroness Hooper

We do not gather statistics regarding opticians' earnings, either from sight tests or from the dispensing of spectacles. Private sight tests and the sale of spectacles are private transactions between the customer and the optician.