OD is an abbreviation for the Latin term oculus dexter which means right eye. Notice that the right eye information is asked for first even though we typically read from left to right.
OS is an abbreviation of the Latin oculus sinister which means left eye. That will be referenced on the far right column of the prescription.
SPH is short for sphere. The sphere of your prescription indicates the power on the lenses that is needed to see clearly. A plus (+) symbol indicates the eyeglass wearer is farsighted. A minus (-) symbol indicates that the eyeglass wearer is nearsighted.
CYL is short for cylinder. The cylinder indicates the lens power necessary to correct astigmatism. If the column has no value (is blank), it indicates that the eyeglass wearer does not have astigmatism. If this is the case on your prescription, you can leave it blank when entering it in.
AXIS is a prescription will include an axis value for those with astigmatism. This number represents the angle of the lens that shouldn't feature a cylinder power to help correct your astigmatism.
ADD is short for "additional correction." This is where details about bifocals, multifocal lenses or progressive lenses would appear.
In the 20th century, Tamil romantic fiction saw a resurgence, with authors like Kalki, P. Madhavan, and A. S. Subburamanian making significant contributions. Their stories often explored themes of love, relationships, and social issues, resonating with readers across generations.
Tamil literature has a long tradition of romantic fiction, dating back to the ancient Sangam era. The Tamil epic, "Silappathikaram," is one of the earliest examples of romantic fiction in Tamil literature. Written by Ilango Adigal, this epic tells the story of Kannagi and Kovalan, a star-crossed couple whose love is tested by fate. tamil sex stories with pictures explaining new
Tamil romantic fiction has a rich history and a dedicated readership. From classic epics to modern tales, the genre continues to evolve, reflecting the changing values and societal norms of the community. With the rise of digital platforms, readers can now access a vast collection of Tamil romantic fiction, exploring the complexities of love and relationships through the works of renowned authors. Whether you're a seasoned reader or a newcomer to Tamil romantic fiction, there's something for everyone in this captivating world of love stories. In the 20th century, Tamil romantic fiction saw
Tamil literature has a rich history of romantic fiction, with a plethora of stories that have captivated readers for generations. From classic novels to modern tales, Tamil romantic fiction has evolved over the years, reflecting the changing values and societal norms of the community. In this feature, we'll explore the world of Tamil romantic fiction, highlighting some of the most popular stories, authors, and collections that have made a significant impact on readers. Subburamanian making significant contributions
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| 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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