The prescription of spectacles is usually marked on the spectacle prescription or inside the spectacle case. To check the prescription of your spectacles, you can find your spectacle prescription, check the spectacle frames or lenses, go to an optician or eye clinic for examination, use a spectacle prescription meter, and consult an optometrist.
Glasses prescription refers to the refractive power of glasses, usually expressed as a “+” or “-” number, with a positive number representing farsightedness and a negative number representing nearsightedness.
1. Finding a prescription for glasses
If your glasses are prescribed by an ophthalmologist or optometrist, you should receive a prescription for your glasses. This prescription usually lists the prescription number of your glasses, including the spherical prescription, which indicates the degree of nearsightedness or farsightedness, and the cylindrical prescription and axial position;
2. Check the frames or lenses of the spectacles
The spectacle prescription may be engraved directly on the frame or lenses of the spectacles, and usually, this information may be engraved on the edges of the lenses or the inside of the frame. It is not common though, as this information is usually rubbed off when the glasses are made;
3. Go to an optician or eye clinic for a check-up
If you can’t find a prescription for your glasses and you can’t find the prescription information on your glasses, consider taking your prescription glasses to an optician or eye clinic that has specialized equipment to measure the prescription;
4. Use of spectacle prescription measuring instrument
If you have a spectacle prescription meter, you can also measure the prescription of your spectacles yourself. This equipment is usually used in opticians or eye clinics, but some small portable devices can be used at home. Simply follow the instructions to place your glasses on the device and take a reading;
5. Consult an optometrist
Only a professional ophthalmologist or optometrist can accurately measure and interpret the prescription of your spectacles. If you have any questions about the prescription of your spectacles or feel that your spectacle prescription may need to be adjusted, you should seek professional medical help.
In addition, knowing your eyeglass prescription can help protect your eyesight. At the same time, an inaccurate eyeglass prescription can lead to eye pain, headaches, and other problems, so it is important to have your eyeglass prescription checked regularly. Knowing your eyeglass prescription, you can get a prescription at an online optical optician, which will save you a lot of effort!
