Eye Handbook

Cloud Nine Development LLC Medical iPhoneiPadiPod touch

Eye Handbook is a free Medical app for iPhone and iPad by Cloud Nine Development LLC. Rated 4.8/5 from 1,155 ratings. Requires iOS 15.5.

Rating: 4.8; 1.1K ratings
Price: Free; on the App Store
Size: 479 MB; Age 17+
Updated: Sep 11; 2026 · v10.4.2

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About Eye Handbook

Eye Handbook (EHB) is an eye care reference book and an all-in-one app for Ophthalmologists, Optometrists as well as Students/Residents pursuing the field of eye care. The Eye Handbook is a smartphone diagnostic and treatment reference app for Ophthalmologists and Optometrists. Below is a list of some of the common features. -Eye Calculators -Transposition Calculator -Visual Acuity Calculator -Age to bifocal -Diabetic Retinopathy Severity Calculator -Dry Eye Disease Calculator -Glaucoma Risk Calculator -Thyroid Eye Disease Calculator -Retinoblastoma Calculator -EHB Indirect Camera -Ocular Trauma Score -Plaquenil Dosing -IOP-CCT -Pupillary Distance -DDX -Testing -ICD9 coding -ICD9 to ICD10 converter -ICD10 coding -Audio, Video downloads -Directory -Eye Atlas -Eye Wiki -Peer-to-peer Forums -Connecting with patients -Ophthalmology and Optometry Journals -Medication and Pharmacopeia -Journals -Eye Diagrams -Patient Education tools -RSS Feeds -Acronym List -Dictionary -Eponyms -Genetics -Mnemonics -Workups -Treatment Reference -Vision Symptoms Cards If you have content that you would like to contribute; please contact us at [email protected]. Please feel free to contact us with any questions you may have. We are constantly striving to improve this application and welcome your feedback. www.eyehandbook.com The Eye Handbook Team

Ratings & reviews

4.8

1.1K ratings

5 ★ 89% 4 ★ 6% 3 ★ 1% 2 ★ 1% 1 ★ 2%

What’s new

Version 10.4.2 · Updated September 11, 2026

We're making your experience even better! - Multi-Language Support The app now supports multiple languages. To view the app in your preferred language, please enable it from app language settings. - New Job Center Explore exciting career opportunities directly within the app. Search and apply for jobs with a seamless experience. - Webinars & Events Join webinars directly through the app. Add your webinar URL and let participants join easily from within the app. - Lectures new module added. Thanks for using Eye Handbook app and making it the best app for eye care professionals.

App privacy

The developer, Cloud Nine Development LLC, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

Usage Data: Advertising Data

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

Location: Coarse Location
Contact Info: Physical Address, Email Address, Name, Phone Number, Other User Contact Info
Identifiers: User ID

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Usage Data: Advertising Data, Product Interaction
Identifiers: Device ID
Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Location: Precise Location
User Content: Photos or Videos

Used for: Third-Party Advertising, Analytics, App Functionality

App details

Eye Handbook is a free Medical app for iPhone, iPad and iPod touch, developed by Cloud Nine Development LLC. It is rated 4.8 out of 5 from 1,155 ratings on the App Store, requires iOS 15.5 or later and is 479 MB to download. It was first released on October 20, 2009 and last updated on September 11, 2026.

Category: Medical
Rating: 4.8 / 5 (1,155 ratings)
Price: Free
Version: 10.4.2
Size: 479 MB
Requires: iOS 15.5 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 17+
Released: October 20, 2009
Last updated: September 11, 2026
Developer: Cloud Nine Development LLC

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Listing score

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Grade B

App name length (12 / 30): There’s room for a keyword after your brand, e.g. “Brand: What it does”.
Languages (1): Only one language. Localizing the listing for your biggest markets can bring more installs.
App size (502 MB): Over 200 MB: on mobile data, iPhone asks before downloading.

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Alternatives to Eye Handbook

Looking for apps like Eye Handbook? Here are 6 similar apps on the App Store. The highest rated is AAO Ophthalmic Education (4.9/5), and all 6 are free to download.

Eye Handbook vs. alternatives
App	Rating	Price	Last updated
Eye Handbook	4.8 / 5 (1,155 ratings)	Free	September 11, 2026
AAO Ophthalmic Education	4.9 / 5 (18)	Free	Aug 7, 2026
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Neurology Question of the Day	2.8 / 5 (38)	Free	Sep 16, 2026
The Wills Eye Manual	4.7 / 5 (126)	Free	Aug 25, 2026