Visual Acuity Charts App Reviews

VERSION
3.1
SCORE
3.5
TOTAL RATINGS
30
PRICE
$4.99

Visual Acuity Charts App Description & Overview

What is visual acuity charts app? Prevention is better than cure. Designed for children older than 6, parents with young children, and general practitioners, this eyechart app displays optically precise optotypes of eye charts for you to measure distance vision accurately in order to detect myopia early, so you can take preventive measures and seek help from medical professional early to prevent pseudomyopia from progressing to myopia, or prevent nearsightedness from getting worse.

Supported Eye Charts:
1. Snellen, with C, D, E, F, H, K, N, P, R, U V and Z, as defined in BS 4274-1:2003.
2. Tumbling E. Option to have shorter middle arm.
3. Landolt C.
4. ETDRS, with C, D, H, K, N, O, R, S, V, and Z.
5. European-wide, with H, K, O, E, P, X, B, T, M and A.
6. HOTV.
7. Numbers.
8. Shapes.

Test Distances:
* 6, 5, 4, 3, and 2 meters predefined.
* 20, 15, 12, 10, 6 feet predefined.
* Custom distance 0.5 - 30 meters, or 1.6 - 98 ft.

Scenarios:
1. "Doctor" and "Patient".
2. Self-diagnosis with a mirror. With one eye covered by an eye patch and holding the device near the shoulder, you stand in front of a typical bathroom mirror using the mirror mode of the app and having the device's screen facing the mirror. The actual test distance is 2 times of the distance between you and the mirror.
3. Self-diagnosis with a Bluetooth keyboard. After putting the device standing a few meters away on a table, you use the keyboard's direction keys to indicate what your read.


Notations:
1. Decimal (0.50)
2. Fraction (20/40)
3. LogMAR (0.30)
4. Fraction (5/10)
5. Fraction (6/12)
6. MAR (2)
7. VAS or VAR (85)

Test Modes:
1. Manual.
2. Auto scoring In Auto scoring, you use the swiping gestures to indicate correct readings or wrong readings, and the app calculates the score. Through enabling “Record Scores” in Settings, you can keep track of the progression of your visual acuity. Visual acuity scores of multiple testees could be recorded.

“Visual Acuity Testing for Telehealth Using Mobile Applications” published in JAMA Ophthalmology on https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7809609/ indicates Visual Acuity Charts is the most accurate among 10 apps on iPhones being tested.

Checking for myopia takes several procedures and the first step is often to test distant visual acuity through a visual acuity chart. And the decrement of visual acuity may indicate the development of myopia.

Disclaimer:
While this app may replace eye charts in print, however it CANNOT replace doctors and optometrists who carry out comprehensive eye exam for your basic eye health. The eye chart app does not test strabismus, esotropia, exotropia, hyperopia and astigmatism and which are common early vision conditions. Please visit optometrists regularly and seek help from medical professional at early signs of visual acuity problems.

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App Name Visual Acuity Charts
Category Medical
Published
Updated 13 December 2023, Wednesday
File Size 51.64 MB

Visual Acuity Charts Comments & Reviews 2024

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Well written app. The mirror mode is handy and interesting.

So far so good. At least I am almost certain that my boy is not having myopia for now after staying indoor for weeks. Nevertheless, it is still worth of visiting a local optometrist later.

In times of need. It’s great you had a promotion for one week. Considering your app is being recognised as well developed maybe you could consider its price during the crisis period as some patients can’t afford $5

missing english units. I rarely use metric. It would be great if I were able to switch units to english. Thanks

Profiting off of a virus. App was free a few days ago now patients have to pay because they need it because of covid19 Pretty bad and lacking human decency

Paid $5 for there to be no shapes!!. My toddler doesn’t know his letters yet but he does know his shapes. I thought it had shapes but it turns out I paid for nothing.

Better than Snellen chart on paper. I have been wondering how come the top row of the Snellen chart could be suitable for both 20 feet and 6 meters, as marked in paper base Snellen charts, since 20 feet is 6.096 meters. This app actually gives slightly larger optotype for a 20 feet distance than for a 6 meters distance. The UI design is mobile friendly. The hint is brief, so it took me some fail and try to figure out how to use. After all, intuitive and smooth.

Updated. Some other apps work with only old iPhones, and this one works with the latest ones.

It looks promising. Is it possible to have multiple letters in one line for testing lazy eyes?

Please add 20/400. I see bed side patients and most of them are low vision patients. The VA chart app I used to use is no longer supported so I downloaded this app. This app is great because it allows me to test with numbers (most dementia patients cannot read letters but they can still read numbers) l Wish this app had 20/400 and beyond. Could you add larger optotypes?

convenient and accurate.. convenient and accurate. At least in iPhone XS Max, the letters displayed are precise as I had measured with a ruler.

This was free - now it’s not.. Update #2: Why are you reporting my concern to Apple support? My issue is NOT about MY purchase experience. My issue is about the many other patients who will need this app in the near future. Give THEM a break. Reduce the price for THEM. HELP THEM, not me. ================ Update: If it was just a temporary 1 week free trial, why not extend that for several more weeks to help people out? Or maybe reduce the price to $0.99? Seems like that would be reasonable if you are restricted from changing it to free. ================ Hundreds of patients will now suffer as they can’t afford spending money on a single visual acuity check. Shame on the developer for taking advantage of the disadvantaged. Hold down on the comment and like it so it rises to the top of most helpful. Time to look for another option.

Shame on you for profiteering during COVID pandemic!. Profiteering during this crisis when people and companies should be trying to help is unconscionable. Many families are unemployed due to the COVID pandemic and cannot afford to spend valuable resources on an app at this time. Be part of the solution, not the problem at this difficult time. Shame on you! This app was free until just a few days ago. During this COVID crisis, most eye care providers are resorting to telemedicine to monitor patients who need to be followed. This app is useful for visual acuity testing, especially in children, since it includes the Lea and HOTV charts and could be very helpful in the setting of telemedicine. It had been a free app until just a few days ago, when all of a sudden, in the midst of the COVID-19 pandemic, a $4.99 fee was charged. This fee should be removed or at least waived at this time—just as quickly as it was added!

Unconscionable. This app was free to all users 2-3 days ago. Now in light of the COVID 19 pandemic when we as ophthalmologists are turning to telemedicine to provide essential eye care you start charging a monthly fee?!?! How can you possibly do this in good conscience?

Decent design for smart phone users. I tried a few eye chart apps however, most are just replicates of paper based eye charts. This one utilizes advantages of iPhone, delivering pretty user experiences while maintaining accuracy of detecting near-sightedness.

What’s the point?. If free, this would a useful addition to the urgent need for teleophthalmology in the COVID 19 age. But as a charged for app, why bother.

Great. Mirror mode is great. Easy to use.

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Pretty accurate for testing myopia.. Pretty accurate for testing myopia comparing with the eye chart on the wall.

the mirror mode is handy. detecting myopia should be done from a distance over a few meters, unless you are using some optometry equipment with special lens. the mirror mode makes self-diagnostics simple. All you need is iPhone plus mirror.

Accurate. So I may test the eyesight o my kids more often. They have to drop the screen time had have more breaks when their visual acuity is found dropping.

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Visual Acuity Charts 3.1 Tips, Tricks, Cheats and Rules

What do you think of the Visual Acuity Charts app? Can you share your complaints, experiences, or thoughts about the application with Zijian Huang and other users?

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Visual Acuity Charts 3.1 Apps Screenshots & Images

Visual Acuity Charts iphone, ipad, apple watch and apple tv screenshot images, pictures.

Language English
Price $4.99
Adult Rating 4+ years and older
Current Version 3.1
Play Store com.fonlow.va
Compatibility iOS 11.1 or later

Visual Acuity Charts (Versiyon 3.1) Install & Download

The application Visual Acuity Charts was published in the category Medical on 29 November 2018, Thursday and was developed by Zijian Huang [Developer ID: 1442509968]. This program file size is 51.64 MB. This app has been rated by 30 users and has a rating of 3.5 out of 5. Visual Acuity Charts - Medical app posted on 13 December 2023, Wednesday current version is 3.1 and works well on iOS 11.1 and higher versions. Google Play ID: com.fonlow.va. Languages supported by the app:

HI ID IT JA KO PT RU ZH ES TH ZH Download & Install Now!
Other Apps from Zijian Huang Developer
App Name Score Comments Price
Visual Acuity Charts App Customer Service, Editor Notes:

1. Display details of scores. 2. Display and share trend of visual acuity. 3. Share all scores as CSV file.

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Find on this site the customer service details of Visual Acuity Charts. Besides contact details, the page also offers a brief overview of the digital toy company.

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