subject: Personal Manipulation Of Your Glasses [print this page] Spectacles and sunglasses Glasses have become rather stringent and quite skilled engineering tools in recent times. There are diligently calculated points of leverage and proportion in the major axes that can either work for you or counter to you!
The combination of these points of correction can make the glasses feel secure and relaxed on your face, but it requires all points to be worked together and in a choreographed sequence in order for the operation not to become "Rubik Cube" like.
The first thing to do is to make certain that all points of connection are tight and firmly connected - so check each screw to make certain that it is tight. This will ensure that any further adjustments not only work correctly, but also stay in place for a acceptable amount of time. The usual symptom of "having a screw loose" is that the sides of the body become loosened and slack on your face - so that is always a good place to start.
If the glasses are sliding down on your face, it is possible that the sides of the frame are not equal and one or both need some adjustment. Place the glasses face down on a white napkin or sheet and looking straight down at the lens along the side frames, see if they are precisely straight-up and square to the front frame. If one or both are not then be ready to adjust.
All frames have some metal running down the midpoint of them, and it is this that demands to be angled back into shape - that's one of its objectives! The difficulty is that the metal is usually coated or encompassed n plastic or acetate that is prone to cracking or splitting when bent.
The optimum way to approach this plight is to heat the sides of the frames with a hot air source - a domestic hairdryer works effectively - afterwards align each side alternatively in small increments until they have attained the regularity of the frame.
In the case of metal frames, the glasses can be made to sit higher or lower on the face by adjusting the nosepads inwards or outwards. Again, take care and do each one alternatively and incrementally so that you can measure the result from each tweak and adjust accordingly. Plastic frames generally do not have nosepads.
If the glasses are sitting on your face comfortably, but are not straight or level on your face, it is likely that one side is bent up or down relative to the other side. To best remedy this, firmly grasp at the hinge - and then gently bend. Be careful however, as considerable force is sometimes required, and this is a natural weak point in spectacles, and so they can break here quite easily. Be firm with positive force rather than quick jerky movements and all should be ok
by: Kevin Styles
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