Portable Ophthalmic Equipment
Portable ophthalmic equipment moves the exam to the patient instead of the patient to the exam room. Handheld autorefractors, portable slit lamps, compact fundus cameras, and binocular vision screeners let ODs, MDs, and practice or lab owners capture refraction, anterior-segment, retinal, and screening data at the bedside, in satellite offices, at schools and nursing homes, on mobile-clinic routes, and on outreach trips where a full table-mounted lane is impractical. Because these instruments are battery-friendly, tablet-connected, and often non-mydriatic, they also speed up high-volume screening and extend care to pediatric, elderly, and mobility-limited patients who cannot sit at conventional equipment.
This portable equipment collection is built around our own Ezer line — including the ERH-770 handheld autorefractor, the ESH-770 portable slit lamp, and the EZ-KR-1800 auto keratometer — alongside carried brands such as Adaptica and MiiS for vision screening and retinal imaging. As a US-based provider with an in-house technical and repair department and US-stocked spare parts, we back every portable unit with a US warranty and hands-on service, so a device that travels between rooms, buildings, and field sites has real support behind it when it needs calibration or repair.
How to choose portable ophthalmic equipment
- Match the device to the exam you run: Decide which measurements you need at the point of care first: refraction and corneal curvature (handheld autorefractor or keratometer), anterior-segment evaluation (portable slit lamp), retinal imaging (compact fundus camera), or objective screening (binocular vision screener). A portable slit lamp will not replace an autorefractor, so map the instrument to the task rather than buying on form factor alone.
- True portability and power: Weight, balance, one-handed operation, battery life, and a protective carrying case determine whether a unit is genuinely field-ready. If the instrument will travel constantly between rooms or off-site, ease of transport and durability matter more than they appear during an in-office demo.
- Patient population and lighting: For pediatric and preschool screening, binocular, cycloplegia-free devices that measure both eyes in seconds are ideal, and some include a built-in dark-room tube so they work in any ambient light. For routine adult refraction on the go, a handheld autorefractor or keratometer is the workhorse.
- Capture, connectivity, and documentation: Tablet apps, onboard image storage, and export or telemedicine sharing turn a portable device into a screening and referral tool. If you plan to share retinal images or refraction results with colleagues or an EHR, confirm exactly how the unit records and transmits data.
- Service, warranty, and spare parts: A portable instrument that moves constantly is more exposed to bumps and wear than a fixed lane, so a US warranty, accessible spare parts, and an in-house repair department carry extra weight here. Ask who actually services the unit before you buy — a warranty is only as good as the service department behind it.
- New vs. refurbished: New units carry current firmware and a full warranty; certified refurbished can lower the entry cost for a second screening kit or a satellite site. Either way, buy from a provider that inspects, calibrates, supports, and can repair what it sells.
Featured portable models
Our portable lineup spans refraction, anterior-segment examination, retinal imaging, and vision screening, so you can equip a mobile route, a satellite office, or an outreach program with the right instrument for each exam.
| Model | Type | Best for |
|---|---|---|
| Ezer ERH-770 Handheld Autorefractor | Handheld autorefractor | Mobile refraction and patients who cannot sit at a lane |
| EZ-KR-1800 | Portable auto keratometer | Corneal curvature readings on the go for nursing homes, hospitals, and field visits |
| Ezer ESH-770 Slit Lamp Portable | Handheld/portable slit lamp | Bedside and satellite anterior-segment exams |
| MiiS Fundus Camera | Portable retinal (fundus) camera | Point-of-care retinal imaging and tele-screening |
| Adaptica 2WIN | Binocular handheld vision screener/analyzer | Fast objective screening and pediatric refraction |
| Adaptica Kaleidos | Binocular vision analyzer with built-in dark room | High-volume school and preschool screening in any lighting |
Frequently asked questions
What is portable ophthalmic equipment used for? It brings diagnostic testing to the point of care — mobile clinics, satellite offices, schools, nursing homes, hospital bedsides, and outreach programs — covering refraction, keratometry, anterior-segment examination, retinal imaging, and vision screening without a fixed exam lane. It is especially valuable for high-volume screening and for pediatric, elderly, and mobility-limited patients.
Are handheld autorefractors and screeners accurate enough to rely on? Portable autorefractors, keratometers, and binocular screeners deliver fast, objective, non-invasive readings that are well suited to screening and to establishing the starting point of a refraction. Vision screeners are designed to flag amblyogenic risk factors such as myopia, hyperopia, astigmatism, anisometropia, and strabismus. As with any objective device, a final spectacle prescription is typically confirmed with subjective refraction.
Can these devices be used on children? Yes. Binocular vision screeners such as the Adaptica 2WIN and Kaleidos measure both eyes at once in seconds without cycloplegia, and their compact, less intimidating form factors improve cooperation. That makes portable screeners well suited to pediatric and preschool programs where children may not report vision problems on their own.
Do portable units come with a warranty and service support? Yes. As a provider rather than a pass-through seller, we back portable equipment with a US warranty, an in-house technical and repair department, and US-stocked spare parts, so calibration, support, and repairs are handled domestically instead of shipped overseas.
Should I buy new or refurbished portable equipment? New gives you current firmware and a full warranty, while certified refurbished can be a cost-effective way to add a second screening kit or equip a satellite site. The deciding factor is buying from a provider that inspects, calibrates, and can actually service the unit — the warranty only matters if there is a service department standing behind it.


