Your information regarding you eye power
is not complete. I assume it 5 diopter could be plus or minus.
You may try high index glasses for your power if contact lenses do not south you. Laser
surgeries are now available for correction of such numbers but a through checkup about your eyes anatomy, corneal profile, dryness and the stabilisation of power over last one year should be there. Plus you must be above at least 18 years the age limit varies between countries.you should also rule out pathological myopia