# Eye Handbook > Most Popular Mobile Smartphone App in Eye Care! More than 1 million downloads Canonical page: [https://chrome-stats.com/d/com.CloudNineDevelopement.EyeHandbook](https://chrome-stats.com/d/com.CloudNineDevelopement.EyeHandbook) ## Overview - **ID:** `com.CloudNineDevelopement.EyeHandbook` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Cloud Nine Development - **Category:** MEDICAL - **Downloads:** 236,497 - **Rating:** 4.08 / 5 (1,469 ratings) - **Version:** 10.11.4 - **Last updated:** 2026-08-20 - **First published:** 2011-05-29 - **Publisher country:** US - **Size:** 506 MB - **Data as of:** 2026-09-06 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.CloudNineDevelopement.EyeHandbook) - **Website:** [http://www.eyehandbook.com](http://www.eyehandbook.com/) - **Privacy policy:** [https://eyehandbook.com/EHBWeb/Account/PrivacyPolicy/](https://eyehandbook.com/EHBWeb/Account/PrivacyPolicy/) ## Description **Eye Handbook (EHB)** is the leading all-in-one eye care app designed specifically for Ophthalmologists, Optometrists, and students in the field. With over 1 million downloads, it serves as a comprehensive diagnostic and treatment reference on your smartphone. EHB includes a wide range of clinical tools such as calculators for diabetic retinopathy severity, glaucoma risk, dry eye disease, thyroid eye disease, and more. It features an indirect camera, ocular trauma scoring, medication dosing guides, ICD coding converters, and an extensive eye atlas. Beyond clinical calculators, it offers patient education tools, an eye wiki, peer-to-peer forums, journals, and multimedia downloads to support continuous learning and patient care. The app's user-friendly interface facilitates quick access to critical resources like treatment references, testing protocols, acronyms, and genetics information. Its functionality makes it an indispensable tool for eye care professionals and learners. For contributions or inquiries, users can connect via eyehandbook@gmail.com or visit www.eyehandbook.com. Experience a truly comprehensive eye care experience with Eye Handbook, the trusted mobile app in ophthalmology and optometry. ## Rankings - #146,550 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_COARSE_LOCATION` - `android.permission.ACCESS_FINE_LOCATION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.BLUETOOTH_CONNECT` - `android.permission.BLUETOOTH_SCAN` - `android.permission.BROADCAST_STICKY` - `android.permission.CALL_PHONE` - `android.permission.CAMERA` - `android.permission.FOREGROUND_SERVICE` - `android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE` - `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK` - `android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION` - `android.permission.FOREGROUND_SERVICE_MICROPHONE` - `android.permission.INTERNET` - `android.permission.MODIFY_AUDIO_SETTINGS` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_MEDIA_VISUAL_USER_SELECTED` - `android.permission.READ_PHONE_STATE` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.RECORD_AUDIO` - `android.permission.REORDER_TASKS` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `android.permission.WRITE_EXTERNAL_STORAGE` - `com.CloudNineDevelopement.EyeHandbook.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.CloudNineDevelopement.EyeHandbook.permission.DESKTOP_MODE` - `com.CloudNineDevelopement.EyeHandbook.permission.PIP_MODE` - `com.CloudNineDevelopement.EyeHandbook.permission.RECEIVE_ADM_MESSAGE` - `com.CloudNineDevelopement.EyeHandbook.sdk.permission-group.ipc.sender` - `com.amazon.device.messaging.permission.RECEIVE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.symbol.emdk.permission.EMDK` - `com.zebra.provider.READ` - `us.zoom.videomeetings.permission.PT_BROADCAST` ## Review summary Eye Handbook is widely praised as an indispensable, education-focused ophthalmology resource. Reviewers highlight its comprehensive and updated content, ease of use, and breadth of features—from eye disease information to daily case updates and practical tools. Medical students, ophthalmology residents, and optometry professionals report gaining valuable insights and using it as a reliable reference and learning aid. Its strengths lie in educational value, practicality, and breadth of content, making it a go-to reference in the field. ### Pros - Comprehensive and updated ophthalmology knowledge resource - Highly educative for medical students, ophthalmology residents, and optometry - Easy to use and user-friendly - Daily eye disease cases and ongoing updates - Practical tools and test information (e.g., pediatric fixation tests) ## Similar extensions and apps - [Eye Patient](https://chrome-stats.com/d/com.app.eyepatient) — 29,612 users, 4.00 / 5 - [EyeCare](https://chrome-stats.com/d/cn.xingjieyuntu.eyeCare) — 72 users - [EyecareBI App](https://chrome-stats.com/d/com.eyecarebi.eyecare_bi) — 129 users - [Eye Pro Advisor](https://chrome-stats.com/d/com.eyeproadvisor.eyeproadvisor) — 11 users - [Eye Care](https://chrome-stats.com/d/com.a3.eyecare) — 27,858 users, 4.80 / 5 - [Eye Home Clinic II](https://chrome-stats.com/d/com.ganaholdings.eyehomeclinic2) — 21 users - [Eynstein](https://chrome-stats.com/d/de.app4eyes.eynstein) — 56 users - [نظرة - العناية الشاملة بالعين](https://chrome-stats.com/d/com.do3flbasar.alnadar) — 4,369 users - [OptiExpert™](https://chrome-stats.com/d/air.com.coopervision.optiexpert) — 130,386 users, 3.00 / 5 - [EYERESH for smartphone](https://chrome-stats.com/d/com.fourdj.EYERESH_SBSP) — 25 users - [Professional Clinical Tools](https://chrome-stats.com/d/com.ossibussoftware.pct) — 177 users - [Eye Health Manager](https://chrome-stats.com/d/ru.rznnike.eyehealthmanager) — 894 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.CloudNineDevelopement.EyeHandbook)