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Understanding your prescription
Making sense of your Cheap prescription glasses is easier than you
would think if you understand the jargon! Here are some terms used on
your prescription:
SPH (sphere). This is your correction for long or
short sight. It can be a ‘-‘ value or a ‘+’ value and goes up in 0.25
steps. 0.25, 0.50, 0.75, 1.00 etc.
CYL (cylinder). The correction for
any Astigmatism if you have one. It can be a ‘-‘ value or a ‘+’ value
and goes up in 0.25 steps. 0.25, 0.50, 0.75, 1.00 etc.
AXIS. The axis
for which the correction for the Astigmatism needs to be set at. It
will only be present if you have a value in CYL. And can be a value
from 0 - 180
ADD (addition) Only required if you need to use for reading
glasses, Rimless Glasses,
Semi
Rimless Glasses and is always a
‘+’ value. NEAR Means the same as ‘ADD’ above. ‘-‘or ‘+’ This is VERY
important as it indicates short or long sightedness. The ‘-‘ value is
sometimes written above the value
PLANO These all mean the same thing!
No correction required/nothing/0 0 } 0.00 } INFINITY }
DS(dioptre sphere). Usually appears under the CYL box and would
indicate no CYL value.
OD When user refers to the right eye
OS When used refers to the left eye
If you require reading glasses, Cheap prescription glasses, Distance
glasses please include the NEAR or ADD. If you require Distance
/Driving glasses then you may omit this
You may also have an Intermediate value. This is for computer use.
Please call us if you need glasses for VDU work and have this value on
your prescription.
