If you have a muscle imbalance in your eye, this can lead to headaches or double vision. Because this is a problem with the eye muscles rather than the eye itself, your optician may prescribe a prism lens to prevent symptoms and to correct vision.
You can add a prism lens to any pair of glasses you purchase online at Feel Good Contacts.
To add prism to your glasses, simply select the pair of glasses you wish to purchase and progress to ‘Choose your lenses.’ When you select the ‘Enter now’ option under ‘Your Glasses Prescription’, you can add your prism prescription to the ‘Provide more information’ section in Step 2. Alternatively, you can upload an image of your prescription or provide it at a later stage.
The cost of prism lenses vary depending on the power of the lens, the lens type and where you are buying your glasses. At FGC, lens costs can range between £0 - £150, plus the price of your frame but price ranges are variable from private optical practices to high-street opticians or online eyecare retailers. If you are eligible for free eye tests
and an optical voucher through the NHS, this can sometimes cover any additional cost for your prism lens.
If you aren’t sure what your prism prescription looks like, it will appear on your prescription in decimal format or sometimes as a fraction. It is measured in dioptres [D] and will always have a prism base direction specified on the prescription (example: 1.50D Base UP).