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| (Published: Tue, 26 Feb 2008 07:20:42 -0600) |
| 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 |
| Directory: Eye & Visual Health |
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