AC- Anterior Chamber (between Cornea and Iris, filled with transparent liquid- Aqueous humour)
Acc- Accommodation(mainly occur in case of near vision)
ACT- Alternate Cover Test
Add- Addition (additional plus spherical power needed to improve near work)
AL- Axial Length
APCT- Alternate Prism Cover Test
APD- Afferent Pupillary Defect
ARMD- Age Related Macular Degeneration (usually occurred above 50 yrs age)
BE- Both eyes
BVD- Back Vertex Distance (back surface of the spectacles to front surface of cornea)
CT- Cover Test
DC- Diptres Cylinder
DS- Dioptres Sphere
DV- Distance Vision
h/o- history of
IOL- Intra Ocular Lens (artificial lens which is implanted after cataract surgery)
IOP- Intra Ocular Pressure (fluid pressure inside the eye)
LP- Light Perception(it is measurement of visual acuity-when patient is unable to see hand movements)
LVA- Low Vision Aid(devices which improve visual performance)
NLP- No Light Perception(total blindness)
NPC- Near Point of Convergence
NV- Near Vision
OD- Doctor of Optometry ; Oculus Dexter (Right Eye)
OL- Oculus Laevus (Left Eye)
OS- Oculus Sinister (Left Eye)
OU- Oculus Uterque (Each Eye)
PD- Pupillary Distance(distance between centre of Right & Left pupil)
PERRLA- Pupils Equal, Round, Reactive to Light & Accommodation
PGP- Previous Glass Prescription
PL- Perception of Light
Px- Patient
RAPD- Relative Afferent Pupillary Defect
Rx- Prescription
SCL- Soft Contact Lens
Sx- Symptoms
TBUT- Tear Break Up Time
VA- Visual Acuity(spatial resolving power of the eye)
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