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Strong Matched Pair

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Strong Matched Pair
Do I have to buy new glasses to match my new contacts prescription?

I received a new contacts prescription (less strong) and still have my old pair of glasses. Can I still use my old glasses or should the prescriptions match?

If the difference is fairly small, there is no problem (it won't trash your eyes or anything like that). If the glasses with the old prescription are giving you headaches, you probably ought to get new ones. Note: sometimes the prescription for contacts is deliberately made slightly less strong than your glasses prescription; this has to do with the fact that the contact lenses sit directly on the eye so the physics is a little different.

E84L EL84 6BQ5 ZAERIX NOS MATCHED PAIR AMPLITREX TESTED STRONG NEW OLD STOCK OVP
E84L EL84 6BQ5 ZAERIX NOS MATCHED PAIR AMPLITREX TESTED STRONG NEW OLD STOCK OVP
Paypal   US $89.99
RCA USA Red Base 5691 premium VT229 6SL7GT 6SL7 strong matched pair
RCA USA Red Base 5691 premium VT229 6SL7GT 6SL7 strong matched pair
Paypal   US $71.00
GE General Electric USA 6SL7GT 6SL7GT 6SL7 VT229 strong matched NOS pair
GE General Electric USA 6SL7GT 6SL7GT 6SL7 VT229 strong matched NOS pair
Paypal   US $9.99
GE General Electric USA 6SN7GTB 6SN7GT 6SN7 VT231 strong matched NIB pair
GE General Electric USA 6SN7GTB 6SN7GT 6SN7 VT231 strong matched NIB pair
Paypal   US $13.50
Raytheon Japan 6SN7GTB 6SN7GT 6SN7 grey plate black base strong matched pair
Raytheon Japan 6SN7GTB 6SN7GT 6SN7 grey plate black base strong matched pair
Paypal   US $9.99
Sovtek 6SN7GT 6SN7GTB 6SN7 grey plate black base strong matched NOS pair
Sovtek 6SN7GT 6SN7GTB 6SN7 grey plate black base strong matched NOS pair
Paypal   US $32.00
Amperex Bugle Boy 6DJ8 ECC88 6922 strong matched pair
Amperex Bugle Boy 6DJ8 ECC88 6922 strong matched pair
Paypal   US $23.78
Amperex Orange PQ 6DJ8 ECC88 6922 same batch GAE delta 1H2 strong matched pair
Amperex Orange PQ 6DJ8 ECC88 6922 same batch GAE delta 1H2 strong matched pair
Paypal   US $19.40
RCA USA short grey plate halo getter 12AX7A 12AX7 ECC83 strong matched pair
RCA USA short grey plate halo getter 12AX7A 12AX7 ECC83 strong matched pair
Paypal   US $10.50
Raytheon USA Long Black Plate12AX7 ECC83 halo getter strong matched pair
Raytheon USA Long Black Plate12AX7 ECC83 halo getter strong matched pair
Paypal   US $22.00
Sylvania USA Long Black Plate12AX7 ECC83 square getter strong matched pair
Sylvania USA Long Black Plate12AX7 ECC83 square getter strong matched pair
Paypal   US $9.99
ECC82 NOS RFT MATCHED PAIR TESTED TUBES STRONG
ECC82 NOS RFT MATCHED PAIR TESTED TUBES STRONG
Paypal   US $19.99
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Maple Pictures: Alpha and Omega: Behind the Scenes

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August 31st, 2010 at 4:29 pm

Posted in Electronics