231 abbreviations
AbbreviationMeaning
T2 diabType 2 diabetes
TBUTTear break-up time
TcCentre thickness
TDTotal diameter
tds/tidThree times a day
TeEdge thickness
θVertical orthophoria
TIATransient ischaemic attack
TWT/WTTToday wearing time
TxTreatment
ungOintment
VVision (unaided)
VAVisual acuity (corrected)
VA ODRight visual acuity
VA OSLeft visual acuity
VDUVisual display unit
VFVisual field
VPAVertical palpebral aperture
VPSVariable prism stereoscope
VxVomiting
WDWorking distance
WEHEWelsh Eye Health Examination
WLVSWelsh Low Vision Service
WTWearing time
X/12X months
X/52X weeks
X/7X days
XPExophoria
XTExotropia
ϕHorizontal orthophoria
Horizontal and vertical orthophoria