About Optics Clinical Calculator (Evan Schoenberg)
** Featured as a Top Eye App in Review of Optometry, March, 2012! **
Don't waste your money on a program which just does 1/10 of what Optics Clinical Calculator provides you! Optics has no equal on the App Store.
CALCULATORS
• Base Curve
• Convergence
• Diopter to/from Radius (mm) Conversion
• Diopters from Focal Distance
• Intermediate and Near Vision Prescriptions from Standard Refraction
• Lens Power in Oblique Meridians
• Oblique Crossed Cylinders
• Ocular Curve
• Optical Center Decentration
• Slab-Off calculator (Induced Prism)
• Vertex Distance
FEATURES
• Beautiful, fast interface evolved especially for Optics from the acclaimed MediMath Medical Calculator, including unique wheel-based diopter entry
• Detailed explanations, including formulas and clinical notes, for each calculator (just tap the ‘i’) - perfect for review, cross-checking, and learning
• Optics always returns to where you left off
• Free upgrades for life, including requested additional calculators
CONTACT
Please let me know if there are other clinically relevant calculators you would like to see added in future free upgrades to Optics! I can’t respond to comments here in the App Store, so the best way to send a request is via email: [email protected]. Please also contact me directly if you have any questions or concerns.
What's New in Optics Clinical Calculator (v5.3)
Optics Clinical Calculator Contact Information
To reach Optics Clinical Calculator customer service and technical support, use the official channels below. For the fastest reply, choose the developer's official website.
Optics Clinical Calculator Subscription, App Deletion & iOS Support
How do I cancel the Optics Clinical Calculator subscription?
Open Settings on your iPhone or iPad, tap your Apple ID (your name) at the top, go to Subscriptions, select Optics Clinical Calculator from the list and tap Cancel Subscription. Cancellation takes effect at the end of the current billing period; you can keep using the app until then. See Apple's official subscription management page for details.
How do I delete the Optics Clinical Calculator app?
Touch and hold the Optics Clinical Calculator icon on the Home Screen, choose Remove App and then Delete App. Important: if you have an active subscription, deleting the app does not cancel it automatically - you must first cancel your subscription using the steps above.
Optics Clinical Calculator purchases, refunds and billing issues
Report billing or refund requests for Optics Clinical Calculator through Apple's Report a Problem (reportaproblem.apple.com). For the app's own technical support and contact, use the developer's official website or the Optics Clinical Calculator App Store page.
Distribution of Optics Clinical Calculator Reviews
Of the last 16 reviews shown, 88% are positive (4–5★) and 12% negative (1–3★). App Store overall rating: 4.0 / 5
Optics Clinical Calculator Positive Reviews and Ratings
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Great general ophthalmic optical app. However I wish you were able to plug in any index of refraction for calculations. World these days revolves around more than just standard 1.53 shop index.
Since Aug. 22, 2010 Thank You!
I had been waiting for an application like this since I switched from my Treo which had these calculators. The interface is easy to use and provide great data for any eye care professional. Some of the calculators may be more academic than clinical, but they work well. I emailed the programmer and asked him to add an oblique cross cyl calculator for refracting over toric contact lenses and he was more happy to start working on adding it in one of the next updates. I am thrilled to have this resource and someone who is so willing to take suggestions to make it even better.
I use a this app regularly as an ophthalmologist for things like a slab off recommendation. It is easy to use and remembers your place so it is fast during the day. I was regularly confused that I was starting an American Red Cross app so I really appreciate the icon change! ;-)
I do a bunch of high end contact lens work and find a number of these calculators to be valuable. I know some of these are also free on the web but the user interface makes the purchase price well worth it.
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Obliquely crossed cylinder app is helpful for soft toric fits and easy to use. Formulas are included for those who are interested. Seller responds quickly to emails and is open to all suggestions. Will add a diopter to mm and reverse function for conversion of K readings in diopters to mm for RGP fitting on the next update
This app is Fabulous! As an Optician I am so happy to have the Slab and Vertex calculator! Quickly validating my assessment of the fundamental issues pertaining to the Rx is extremely useful. The determination of how best to fine tune the eyewear to the patients real world of viewing is essential. Grateful to have it.
Helps out on the job!
Handy all-in-one calculator for all eyecare professionals. Looking forward to the addition of a finished lens thickness calculator in a future update.
This is a must for anyone in the optical business!!
Loved it, highly functional
Phenominal author support! This program is a life saver in my practice.
Great app - a must have for any dispenser or technician.
Great app and very easy to navigate, I use it all the time for calculations.
Optics Clinical Calculator Negative Reviews and Ratings
Just updated to iOS 18. The cross cylinder calculation no longer works. You cannot enter the axis number correctly for both current Rx and the cross cylinder amount.
Unable to enter axis on vertex formula.



