Interpupillary meaning

Interpupillary refers to the distance between the centers of the pupils of the eyes.


Interpupillary definitions

Word backwards yrallipupretni
Part of speech adjective
Syllabic division in-ter-pu-pill-ar-y
Plural The plural of interpupillary is interpupillaries.
Total letters 14
Vogais (4) i,e,u,a
Consonants (6) n,t,r,p,l,y

Interpupillary distance, commonly referred to as IPD, is the distance between the centers of the pupils of the eyes. This measurement is crucial in various fields such as optometry, ophthalmology, and virtual reality technology.

Importance of Interpupillary Distance

Having an accurate interpupillary distance is essential in the fitting of eyeglasses and contact lenses. An incorrect IPD measurement can result in discomfort, eyestrain, and headaches for the wearer. Additionally, in virtual reality applications, having the correct IPD ensures a more immersive and realistic experience.

How to Measure Interpupillary Distance

Interpupillary distance is typically measured in millimeters and can be determined using a specialized tool called a pupillometer. Alternatively, it can also be measured manually using a ruler and mirror. It is crucial to have an accurate IPD measurement to ensure the optimal visual performance of corrective lenses.

Interpupillary Distance in Virtual Reality

In virtual reality headsets, having the correct interpupillary distance is crucial for creating a realistic and immersive experience. Most VR headsets come with adjustable IPD settings to accommodate a wide range of users. By setting the IPD correctly, users can enjoy a sharper and more comfortable VR experience.

Overall, interpupillary distance plays a significant role in various aspects of eye care and technology. Whether it's for obtaining the right prescription for eyewear or enhancing the virtual reality experience, having an accurate IPD measurement is essential for optimal visual performance and comfort.


Interpupillary Examples

  1. The interpupillary distance is an important measurement when getting fitted for glasses.
  2. A binocular microscope allows you to adjust the interpupillary distance to suit your eyes.
  3. The VR headset needs to be adjusted to match the user's interpupillary distance.
  4. An ophthalmologist can measure your interpupillary distance during an eye exam.
  5. Proper alignment of the interpupillary distance on a camera is crucial for capturing clear images.
  6. Adjusting the interpupillary distance on a pair of binoculars can enhance viewing comfort.
  7. Some virtual reality applications allow users to customize their interpupillary distance settings.
  8. An accurate interpupillary distance measurement ensures that a 3D movie is viewed correctly.
  9. The optometrist recommended getting glasses with an adjustable interpupillary distance for better vision.
  10. Incorrect interpupillary distance settings on a microscope can cause eyestrain and blurred vision.


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  • Updated 24/04/2024 - 16:27:03