Full quantitative computerised perimetry (automated absolute static threshold), with bilateral assessment and report, where indicated by the presence of glaucoma with a high risk of clinically significant progression that: (a) is not a service involving multifocal multichannel objective perimetry; (b) is performed by an optometrist; and (c) is performed on a patient who has received two perimetry services to which item 10940 or 10941 applies in the previous 12 months other than a service associated with a service to which item 10916 or 10918 appliesApplicable once per patient (including any service to which item 10939 applies) in a 12-month period