Forget the problem of carrying two pairs of eyeglasses while you are out; rather bring home the magnetic clip-on sunglasses which are stylish and effective from every angle. Wear the beautiful frames along with your prescriptive lenses which you can transform into regular sunglasses simply by covering them with the dark glasses.
For a smart get-up, go for the brown lenses of clip-on eyeglasses. For regular usage, the brown frame looks quite fashionable which gets enhanced when you put on the brown covers.
To have a more subtle look, you can wear clip-on magnetic sunglasses anytime. If you are going for a long drive in your convertible car, this pair of sunglass is what you need to wear.
Have a pair of black magnetic clip-on sunglasses and lessen the time of changing your regular eyeglasses for the sunglasses. The black lenses will give you a clear vision without a glitch.
Who says you need to remove your spectacle for sporting sunglasses? Just attach the black lenses and your job is done.