Published by CooperVision Ltd on Jul 26, 2024

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Why should I report an Issue with OptiExpert™?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of CooperVision Ltd to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
contact OptiExpert™ image 1 contact OptiExpert™ image 2

About OptiExpert™

1. A visual representation of their condition also helps patients understand the importance of their ECP’s recommendations, such as upgrading to a silicone hydrogel contact lens to improve clinical signs of hypoxia or the importance of adhering to contact lens wearing schedules.

2. OptiExpert™ is a free, multifunctional and multilingual app which has been designed to help eye care professionals deliver the best possible service to their patients who are contact lens wearers.

3. Provides a simple reference for grading the severity of contact lens complications; aiding tissue change comparisons and helping patients understand the importance of their practitioner’s recommendations.

4. It allows practitioners to grade patients against 16 sets of images and covers the key anterior ocular complications of contact lens wear.

5. By simply selecting details from the dropdowns and adding the retail value of the products being compared by the eye care professionals, the calculator will demonstrate the difference in cost per wear, cost per week and cost per month.

6. The conditions are illustrated in five stages of increasing severity from 0–4, with traffic light colour banding from green (normal) to red (severe), providing a straightforward and efficient aid for the optical professional.

7. Additional benefits of the app include the ability to securely store images of the patient’s eye condition - facilitating easy comparison to other images on the scale to aid accurate grading.

8. Available in 17 languages, OptiExpert™ enables practitioners to control what is shown to the patient so they only see the conditions and severity that is relevant to them.

9. Can be used to help eye care professionals better understand the significance of ocular axial lengths.

10. Practitioners are able to add their own comments following each patient evaluation, allowing a comprehensive record to be compiled of each individual’s condition and any treatment prescribed.

11. Eye care professionals may choose to use the app as part of their patient evaluation.

OptiExpert Customer Insights

1. App does not respond when trying to enter Rx.The new version not working it goes blank with white background!!!!!!????? 🤔Absolutely useless.

2. I've tried uninstalling and re installing but it does the same.Used to work fine but now is useless.

3. Also inputting information I have to input the sphere twice (the pop up keyboard won't accept putting it in manually either).

4. What's the point if it doesn't do the basics correctlyPretty useless.

5. Will only calculate prescription if type in an add, even though it says the field is not mandatory.

6. Used to work on my phone but now won't calculate anything.

7. Thus, only multifocals are suggested.India is not included in this app list.

8. I think we need to stop dispensing coopervision CLs.So far, no good.

9. Can't scroll up and down powers on the calculator.

Steps to Troubleshoot & Fix OptiExpert Issues

1. Fix OptiExpert Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart OptiExpert: Restarting the app will resolve most errors.
  2. Update the OptiExpert App. Here is how:
    1. On Android goto PlayStore » Search for "OptiExpert" » Open OptiExpert™ » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for OptiExpert » click "UPDATE".
  3. Clear OptiExpert™ app cache: Clearing cached data will force your app to retrieve the latest data directly from OptiExpert servers.
    1. On Android, goto Settings » Apps » Select "OptiExpert™" » click Storage » click "Clear Cache".
  4. Check OptiExpert app permissions. If any of these permissions required to use your device's features are disenabled, OptiExpert might not work.
  5. Uninstall and reinstall OptiExpert. If nothing else has worked, completely uninstall OptiExpert then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing OptiExpert not working


2. Fix OptiExpert Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make OptiExpert be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to OptiExpert not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, OptiExpert may not be able to connect to the Internet when running in the background.

Reported Issues