This refers to the degree of short sightedness and long sightedness and long sightedness in your prescription.
+ Indicates that you’re long sighted – this means you can see well in the distance but you find things close up difficult to see.
- Indicates that you’re short sighted – this means you may struggle to see well into the distance but you find things up close clear.
The power required for short or long sightedness can be very small such as 0.25 or large like 9.00. The higher the number and further away from 0 the stronger the prescription lenses. It is worthwhile being aware of this as it can affect the type of frames you choose.
This relates to the amount of astigmatism present which is an irregular shaped cornea. The eye is unable to focus light entering the eye, resulting in blurred vision. If this section is empty on your prescription, then it means your eyes are spherical.
When you are prescribed a prism, it can indicate that there is a muscle weakness in your eyes. It helps align your eyes to ensure that they are looking straight and work together as a pair. A prism is a lens that helps bend light providing the correction you need. It helps prevent headaches and double vision caused by muscle weakness.
This applies to the orientation of the prism when making lenses for your glasses.
The orientation of the astigmatism which is measured in degrees. This is important to note especially when producing lenses for you.
This is the reading addition required to be able to read at close distance. When you have an add it means that you have individual prescriptions for distance and reading.Please be aware that it is common for prescriptions to be written in different forms but however they mean the same thing. Speak to your optometrist about your prescription if you need more clarity.
Eyes are the most important organ of sense. Up to 80% of all impressions are from sight. Eye test not only check how well you see but they’re also a common indicator of common conditions such as high blood pressure and diabetes. You should have an eye test if you notice some or any of the following:
During pregnancy your body undergoes many changes to which eyes can be affected too. It is common that eyes can become dry and vision become blurred or distorted due to hormone fluctuations.