: This specific update (version 4.1.8) was critical for macOS users, particularly after the release of macOS 12.3 (Monterey) .
: In macOS 12.3, Apple removed the built-in Python 2.7 runtime. Version 4.1.8 was released by Tumult to ensure that Python-based Export Scripts continued to function by providing a pathway to use a custom Python Export Script Enabler .
If you are using an older version and need to upgrade to 4.1.8 or the latest available version (such as 4.1.18 or 4.1.20): Open your application.
refers to a specific version of Tumult Hype 4 Professional , an advanced software application used for creating interactive and animated web content using HTML5. Key Context: Tumult Hype 4.1.8
: The "Pro" designation indicates the upgraded version of the software, which includes advanced features like Symbols, Persistent Symbols, Responsive Layouts, and Waypoints that are not found in the Standard edition. You can compare the editions on their official site. How to Update
: This specific update (version 4.1.8) was critical for macOS users, particularly after the release of macOS 12.3 (Monterey) .
: In macOS 12.3, Apple removed the built-in Python 2.7 runtime. Version 4.1.8 was released by Tumult to ensure that Python-based Export Scripts continued to function by providing a pathway to use a custom Python Export Script Enabler .
If you are using an older version and need to upgrade to 4.1.8 or the latest available version (such as 4.1.18 or 4.1.20): Open your application.
refers to a specific version of Tumult Hype 4 Professional , an advanced software application used for creating interactive and animated web content using HTML5. Key Context: Tumult Hype 4.1.8
: The "Pro" designation indicates the upgraded version of the software, which includes advanced features like Symbols, Persistent Symbols, Responsive Layouts, and Waypoints that are not found in the Standard edition. You can compare the editions on their official site. How to Update
*Discount applied on the current website price at the time of order. Offer only valid for new customer first contacts order over $10. Maximum discount of $100. Cannot be combined with any other offers. Promotions are subject to change without notice. We reserve the right to cancel orders that are in breach of the terms and conditions of this offer.


| Lens Width | Bridge Width | Temple Length | |
|---|---|---|---|
| XS | < 42 mm | < 16 mm | <=128 mm |
| S | 42 mm - 48 mm | 16 mm - 17 mm | 128 mm - 134 mm |
| M | 49 mm - 52 mm | 18 mm - 19 mm | 135 mm - 141 mm |
| L | >52 mm | >19 mm | >= 141 mm |
Buying eyewear should leave you happy and good-looking. Use our sizing tool to find frames that best fit your unique facial measurements.
Grab a regular card with a magnetic stripe on the back. Student IDs, credit cards and gift cards work well to start our online PD tool.
You may have received our paper PD measurement tool in your recent online order. In order to use this tool, place the ruler on your eyes so that the "0" lines up at the centre in between your eyes. Add up the two numbers, to get your PD. See example below:
Click on this link to download and print your own PD measurement tool.
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