AutoPeri(NM)

Glaucoma Progression Analysis™*

•GPA™ is now in clinical use

•Change is based on the pattern deviation plot

•Compatible with both SITA and full threshold (baseline only)

*Carl Zeiss Meditec.

© Thomas R

GPA™ Right eye: baseline

GPA™ Right eye: follow-up

3 or more points deteriorate in at least 2 consecutive tests

© Thomas R

3 or more points deteriorate in at least 3 consecutive tests

© Thomas R

GPA™ Left eye: baseline

GPA™ Left eye: follow-up

GPATM, Glaucoma

Progression © Thomas R

AnalysisTM.

Diagnosis of visual field progression

•Different for research purposes

–Set criteria in isolation

•Clinical follow-up scenario

–Other criteria (IOP, disc changes) to consider

–A corresponding repeatable change is sufficient

–If in doubt, REPEAT

•Baseline fields are not constant

–Select accordingly

© Thomas R