Retinal & Fundus Cameras
A retinal camera, also called a fundus camera, captures high-resolution digital images of the back of the eye: the retina, macula, optic disc, and retinal vasculature. For ODs, MDs, and practice or lab owners, that image is the foundation of efficient screening and documentation for diabetic retinopathy, age-related macular degeneration, glaucoma, and hypertensive changes, and it gives you a defensible baseline for tracking progression over time. Modern retinal cameras also anchor telemedicine and referral workflows, letting a captured image travel to a specialist without the patient having to.
At US Ophthalmic we build and support the EZ-Horus platform under our own EZER brand: a non-mydriatic, handheld digital fundus camera that pairs an auto-focus camera body with an interchangeable lens system. A single device moves from a 45-degree retinal view to anterior-segment, otoscopy, or intraoral imaging simply by swapping the lens, so one investment covers far more of the exam lane. Every EZER system ships with a US warranty and is backed by our in-house technical, repair, and spare-parts department, so calibration, service, and parts stay with the team that knows the equipment.
How to choose a retinal camera
- Non-mydriatic vs. mydriatic workflow: Non-mydriatic cameras like the EZ-Horus capture the fundus without dilation drops, saving chair time and improving patient comfort. Dilation still helps in eyes with small pupils, dense cataract, or other media opacities, so weigh your patient mix and whether you want the option to dilate difficult cases.
- Field of view and retinal coverage: A wider field such as a 45-degree lens captures the macula and optic disc in a single frame, which is ideal for fast screening. Narrower fields give more magnification and focused detail of a specific area. Match the field of view to whether your priority is broad screening or targeted documentation.
- Portability and form factor: Handheld, portable retinal cameras suit mobile screening, bedside and ward rounds, pediatric or wheelchair-bound patients, and outreach or telemedicine. Fixed tabletop units favor higher throughput in a dedicated lane. Decide where and how the camera actually needs to move.
- Image quality, resolution and fixation: Look at sensor resolution, illumination (white LED with infrared preview), and internal fixation targets that help you repeat the same view on every visit. Consistent positioning is what makes images comparable over time for reliable progression tracking.
- Modular, multi-purpose platform: An interchangeable-lens system stretches a single body across more of the practice. The EZ-Horus accepts anterior-segment, otoscopy, and intraoral lenses in addition to its fundus lenses, so retinal, front-of-eye, ENT, and dental imaging can all run on one device.
- Warranty, service and spare parts: A retinal camera is a multi-year clinical asset, so buy from a provider that stands behind it. Confirm the US warranty, availability of in-house repair and calibration, and a genuine spare-parts supply, which is the difference between a quick turnaround and weeks of downtime.
The EZ-Horus lens system
The EZ-Horus is a modular platform: the auto-focus camera body stays the same while the lens defines the exam. Below are the fundus lenses and companion modules US Ophthalmic carries under the EZER brand, so you can build the configuration your practice actually needs.
| Model | Type | Best for |
|---|---|---|
| EZ-Horus Lens 45 | Fundus lens, 45-degree field of view | Widest single-shot retinal view, capturing macula and optic disc together for fast screening |
| EZ-Horus Lens 40 | Fundus lens, 40-degree field of view | Balanced field for routine fundus documentation |
| EZ-Horus Lens 25 | Fundus lens, 25-degree field of view | Higher-magnification detail of the macula or optic disc |
| EZ-Horus Anterior Lens AF | Anterior-segment lens (auto-focus) | Detailed front-of-eye and ocular-surface imaging |
| EZ-Horus OTO Lens | Otoscopy lens attachment | Ear canal and tympanic membrane imaging on the same camera body |
| EZ-Horus Foot Pedal | Hands-free capture accessory | Triggering image and video capture without touching the device |
Frequently asked questions
What is a retinal camera used for? A retinal (fundus) camera captures digital images of the retina, macula, optic disc, and retinal blood vessels. Practices use it to screen for and document diabetic retinopathy, age-related macular degeneration, glaucoma, and hypertensive retinopathy, to establish a baseline, track change over time, and support telemedicine referrals.
What is the difference between mydriatic and non-mydriatic fundus cameras? Mydriatic cameras require dilation drops to widen the pupil before imaging; non-mydriatic cameras, like the EZ-Horus, capture the fundus without routine dilation. Non-mydriatic imaging saves chair time and is more comfortable, though dilation can still improve image quality in eyes with very small pupils or media opacities.
Do I have to dilate patients to use the EZ-Horus? No. The EZ-Horus is a non-mydriatic camera designed to image through an undilated pupil, using infrared preview and internal fixation targets to line up the shot. You can still dilate challenging eyes when you want the clearest possible view.
Should I buy a new or refurbished retinal camera? A new camera gives you the current sensor, software, full warranty, and longest service life, while a quality refurbished unit can lower the entry cost. Either way, buy from a provider with genuine in-house service and spare parts. US Ophthalmic backs EZER systems with a US warranty and its own repair and parts department, so support stays local.
Which EZ-Horus lens should I choose? For broad retinal screening, the 45-degree lens captures the macula and optic disc in one frame; the 40- and 25-degree lenses trade width for magnification and focused detail. Because the platform is modular, you can add anterior-segment, otoscopy, or intraoral lenses to the same camera body as your imaging needs grow.
