Why Do We Need Pupillary Distance?
Pupillary distance is important when you need to find the right function and fit for your new glasses. However, keep in mind that it is not a part of an eye exam or vision prescription. An eye exam can be done by an optometrist, while pupillary distance can be measured by an optician, who will advise and provide you with a fitting pair of glasses. This measurement is particularly important for those who need bifocals or multifocal lenses. If you wear eyeglasses that does not fit with the pupillary distance, it may cause some health issues, such as blurred vision, distorted vision, headaches, eye strain, or trouble wearing the glasses. [4]
