Near Card with True Depth Camera

The Eye Chart App uses the iPhone's True Depth camera to measure and adjust eye charts based on the user's viewing distance, which is also shown in diopters to assist with eye exams and glasses prescriptions.

Near Card with True Depth Camera Snellen Eye Chart on the Eye Chart App Number Eye Chart on the Eye Chart App
Near Card with True Depth Camera Near Card with True Depth Camera Snellen Eye Chart on the Eye Chart App

Ullman Indirect and Axis Finder

Photograph the retina using the Ullman Indirect. Use the Axis Finder to determine the axis for a toric IOL. This can be utilized for pre-operative marking or with the AstigmatismFix.com calculator.

Customizable OKN Drum

Tools include a customizable OKN drum, allowing users to pinch to adjust the stripe size and select from multiple speeds. Modes with both black and red stripes are available.

OKN Drum Red OKN Strips OKN Strips
Ishihara Color Plate Example Ishihara Color Plate Example Ishihara Color Plate Example

Color Plates

Modeled after the classic Ishihara color plates, this feature allows for quick shuffling of plates to test color vision efficiently. Users can swiftly reveal the answers, making it an effective tool for identifying color vision deficiencies.

Variety of Eye Care Tools

Additional tools include a Duochrome Test, Contrast Sensitivity Chart, and Worth 4 Dot Test. All charts can be shuffled, and screen brightness can be quickly adjusted to maximum.

Worth 4 Dot Test Duochrome Test Contrast Test
Ophthalmology and Optometry Calculators Parks 3 Step Test Plaquenil Calculator

Eyecare Calculators

Large variety of calculators including the Parks 3 Step Test, Plaquenil Dosing Calculator, and many more.

Retina and Cornea Drawing

Drawing tools featuring templates for retinal, corneal, and retinopathy of prematurity examinations. Utilize a diverse palette of styles and colors for illustration. Annotate and save your images seamlessly.

Cornea Drawing Retina Drawing Retinopathy of Prematurity Drawing

Tools and Features

No advertisements. No data collection. No registration.

We take your privacy seriously. The Eye Chart App does not collect any data from its users. We fully respect your privacy. Our app does not collect, store, or share any personal face data or biometric identifiers. The TrueDepth API is used solely for calculating the distance between the user's face and the device, ensuring data privacy and security

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Eye Chart App

The ultimate iPhone app for ophthalmologists and optometrists.

Download on the App Store