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Huanyu

Huanyu Rechargeable Pupilometer Digital Optical PD Meter LCD Pupil Distance Meters Optical Instrument Led Target Lamp Inside CE Approved (LY-9AC)

Based on 111 reviews
Condition: New
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$64.99
Save $65.00 was $129.99

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At a glance

Condition
New
Color
Ly-9ac
Model
WJJ-210C
Dimensions
8.7 x 6.5 x 2.5 in
Weight
1.89 lb
Material
Plastic
Style
Digital

Features 1

  • PD Meter is a precision optical instrument used to measure distance between pupils in the process of optometry for spectacles,It features direct point-sampling and high accuracy of orientation.

Specs 13

Brand Huanyu
Are Batteries Included No
Color Ly-9ac
Material Plastic
Item Dimensions LxWxH 8.7 x 6.5 x 2.5 inches
International Protection Rating IP54
Manufacturer Huanyu
Part Number WJJ-210C

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Top Amazon Reviews

Measure PD
Color: Ly-9at
This was an expensive way to get mine and my families pupillary distance, but in the long run, I can save thousands of dollars buying my glasses online and feel confident the glasses will work
Reviewed in the United States on October 21, 2023 by ELR Nana
Saved me a lot of money in the end...
Color: Ly-9at
I have had glasses since i was 10 years old (42 today), so i understand the need to accurately measure the PD. I have been using brick/mortar stores for decades and never had a problem until the pandemic hit. For some reason, the number of frame options that would be fit my very high script dropped drastically. in fact, one sat afternoon, i visited 9 individual optical stores (chains and individual) and could only find large/plastic style frames, when previously, i could easily find multiple metal rectangular frames. i gave up and started looking online. I used wirecutter to find a good store and proceeded to figure out how to measure my PD. The website says to use a ruler, which seems wildly inaccurate, so i tried several different iphone apps, all which gave me slightly different PDs. I finally ordered this device, realizing that someone must sell what they use at store. Lucky me as i was able to take the measurement and it stayed consistent over the course of a week (yes, i took 7 measurements). i ordered the glasses online and so far, they fit great and my eyes are doing great (i.e. minimal adjustment time and no eye strain). while the price of the glasses wasn't an issue (i have gotten to use to the high price over the years), ordering online for the same frame as i could get in stores saved me hundreds (literally), so spending the money on this should be help me save more in the long run. ... show more
Reviewed in the United States on January 6, 2023 by ankurbs
Doesn't Give Consistent Results for Monocular Measurements
Color: Ly-9at
I had my PD measured by two different opticians using Essilor X81705 pupilometers and they both had the exact same measurements for both monocular and binocular tests (31.5 mm left, 33.5 mm right, 65 mm total). While binocular (combined monocular) readings with this pupilometer were always within 1 mm of the Essilors, we could not get duplicate monocular readings out of 10 attempts. The averages of the 10 pairs of monocular readings were about 1 mm left of those of the Essilors. For single vision lenses, this may be acceptable to most people but not me. My optometrist showed me that a 1mm shift reduced my corrected 20/15 vision to somewhere between 20/20 and 20/25. Once you've experienced 20/15 vision, 20/25 won't do. It appears that the reason for this discrepancy is because the nose piece for this pupilometer is much smaller and much narrower than the Essilor's. It is almost impossible for me to get it to rest in exactly the same position and orientation on my nose from one measurement to the next. I suppose it may work for children and for people with narrow noses, but it didn't work for me. ... show more
Reviewed in the United States on September 14, 2022 by Dave
Disappointed. Maybe a fluke.
Color: Ly-9at
The device is well made and sturdy. However to get an accurate measurement there needs to be a focal point for measurement. The instructions state that to remind the “testee to stare at the green target” but no green target is visible. Batteries are installed measurement tools appear to be functional but this device is worthless if you’re unable to measure from the focal point. Returned and will try another device. ... show more
Reviewed in the United States on October 15, 2023 by Lalyssa28
A must-have tool for buying eyeglasses online
Color: Ly-9at
I buy glasses online and suspected that the pupillary distance I was providing was the reason for the glasses to be off. Given that the optometrist who updated my prescription refused to measure my PD distance unless I bought glasses at his store, I tried to measure it myself, using several methods, including rulers, credit cards, cellphone apps, and eyeglasses measuring frames, but none seemed trustworthy. I got this Pupilometer and immediately realized how bad the other methods are. With this tool, you obtain reproducible measurements. You also get the PD distance for each eye. In addition, you get the PD for distance vision or reading vision or a distance in between (selectable with a dial). With the PD measurements taken with this tool, which differed from the measurements taken with other methods, my new pair of distance, intermediate, and reading glasses were spot on. ... show more
Reviewed in the United States on October 2, 2021 by Amazon Customer
Excellent Product, Value and Customer Service
Color: Ly-9ac
This company went above and beyond to make sure we got the correct item for our needs. Extremely fast shipping and great communication. The pupillometer works well and is good value for the price. It runs on batteries that need to be charged to the wall so make sure you are ok with this detail.
Reviewed in the United States on April 20, 2021 by Amazon Customer
Wish it had worked.
Color: Ly-9ac
Regretfully, I did not open this to try to use it until I'd had it for a year and a half. My mistake. One of the battery terminals inside is missing, so the batteries slosh loosely inside and cannot power the device. So, I thought to plug it in, but it's got an EU plug. The pictures show this -now- but, when I purchased it, this was not apparent! I've never actually seen one in real life before now. Either way, this was less than useful. Wish I'd saved the money. ... show more
Reviewed in the United States on March 1, 2023 by Mary Williams
Has worked good
Color: Ly-9at
Had to buy this because ours broke at work and needed in a pinch. It has surprisingly held up great and a fraction of the cost of other “name brand” ones
Reviewed in the United States on September 23, 2021 by Ashley
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