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Condition:
Factory New
- Country of Origin: USA
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Warranty:
1 Year
- Weight: 7.1 lb
- Intended to produce optical images that can help identify refractive errors and ocular misalignments associated with poor vision by detecting special light reflexes from each eye during screening
- Estimates pupil size, pupil distance, and eye gaze deviation
- Easy and portable binocular testing on patients ranging from six months through adult, and also those with limited mobility
- The touch-screen display allows for one-touch activation, simple management of patient data entry, and easy configuration for both vision screening tests and autorefraction applications
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Learn more:
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Purchasing Restriction: Medical license or prescription required
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MFR:
Welch Allyn
Ships from Manufacturer
- MPN: VS100S-B
- Phone: (800) 535-6663
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Frequently asked questions
Is this vision screener easy to operate?
The Welch Allyn Spot Vision Screener is engineered for exceptional ease of use, ensuring a smooth and efficient screening process for both the clinician and the patient. Its design prioritizes simplicity and speed:
- Intuitive Touch-Screen: Features a user-friendly touch-screen display for quick configuration, one-touch activation, and straightforward patient data management.
- Rapid, Objective Results: Screens both eyes simultaneously from a comfortable distance of 3.3 feet (1 m), providing objective results in as little as five seconds.
- Enhanced Compliance: Built-in fixation targets, including random visual patterns and audible sounds, effectively engage pediatric patients to ensure successful readings.
- Zero Calibration: The device requires no periodic calibration, significantly simplifying setup and ongoing maintenance.
- Portability: Designed for flexibility, the unit is portable and offers over four hours of battery life on a single charge, making it ideal for use in offices, schools, or mobile clinics.
What refractive errors and conditions does the screener identify?
The Welch Allyn Spot Vision Screener is a portable, objective binocular device that rapidly identifies several common vision problems and risk factors associated with amblyopia in patients from six months through adult, supporting AAP screening guidelines. The device provides objective results in seconds, even for difficult-to-test patients.
The screener measures and detects the following conditions:
- Refractive Errors:
- Myopia (Nearsightedness)
- Hyperopia (Farsightedness)
- Astigmatism (Blurred vision)
- Anisometropia (Unequal refractive power between eyes)
- Ocular Misalignments and Other Conditions:
- Strabismus (Eye misalignment)
- Anisocoria (Unequal pupil size)
Does the Spot Vision Screener support AAP guidelines?
Yes, the Welch Allyn Spot Vision Screener is engineered to fully comply with the American Academy of Pediatrics (AAP) screening guidelines for the early detection of amblyopic risk factors.
The design and functionality specifically support these recommendations through:
- Broad Patient Range: The device facilitates binocular testing on patients ranging from six months through adulthood.
- Rapid and Objective Results: It uses automated screening to produce objective results in as little as five seconds, significantly streamlining the screening process.
- Non-Invasive Testing: Screening occurs simultaneously for both eyes from a non-threatening distance of approximately 3.3 feet (1 meter).
- Child Engagement: To ensure cooperation, the device utilizes a combination of a random visual pattern and audible sound as a fixation target.
- Comprehensive Detection: It estimates critical vision parameters associated with amblyopia risk, including Myopia, Hyperopia, Astigmatism, Strabismus, Anisometropia, and Anisocoria.
Is the Spot Vision Screener easily portable?
Yes, the Welch Allyn Spot Vision Screener is specifically engineered for high portability, making it an excellent choice for schools, clinical offices, mobile screening events, and humanitarian missions. Its design supports ease of transport and efficient field use:
- Compact and Ergonomic: The device features a handheld, ergonomic design that is easy to hold and maneuver during active screening sessions.
- Included Carrying Case: Every unit comes with a durable, dedicated carrying case to ensure the device remains protected while you are traveling between locations.
- Extended Battery Life: The unit operates for over four hours on a single charge, allowing you to conduct high-volume screenings without needing to remain tethered to a power outlet.
- Zero Calibration: To ensure you can begin working immediately upon arrival, the device requires no periodic field calibration.
- Seamless Data Management: With integrated Wi-Fi and USB connectivity, you can easily export and manage patient records, streamlining your workflow regardless of your testing environment.
How long does the battery last?
The Welch Allyn Spot Vision Screener is highly portable, offering extended use for mobile health screening events or busy clinical settings. The device boasts substantial battery performance:
- The internal battery provides over four hours of continuous screening time on a single charge.
- It supports easy recharging and continuous operation via the included 8-foot US AC Power Cord.
What is the comfortable screening distance?
The Welch Allyn Spot Vision Screener is designed to perform rapid, objective screening from a nonthreatening distance of 3.3 ft ± 2” (1 m ± 5 cm). This separation is key to its effectiveness, allowing the device to evaluate both eyes simultaneously and comfortably, which is especially beneficial when screening young children or patients with limited mobility.
What's included with the Spot Vision Screener?
The Welch Allyn Spot Vision Screener comes as a complete, factory-new unit, providing everything needed for immediate operation and portability. The package includes:
- The Welch Allyn Spot Vision Screener unit
- A durable Carrying Case (#106144) for secure transport and storage
- A US AC Power Cord (2.5 A, 125 V)
Does the screener offer versatile data export options?
Yes, the Welch Allyn Spot Vision Screener provides comprehensive connectivity for efficient data management and portability. It offers both wireless and wired solutions:
- Wireless Connectivity: It supports 802.11 b/g/n (WiFi-enabled) for quick wireless data export.
- Wireless Printing: Results can be sent directly to a compatible network printer via WiFi.
- Wired Export: A dedicated USB port is included for simple, manual data transfer if wireless options are not available or preferred.
Which vision parameters does the device evaluate?
The Welch Allyn Spot Vision Screener is a handheld photoretinoscopy device that provides objective, binocular results in as little as five seconds. It is specifically engineered to identify refractive errors and ocular misalignments, supporting the early detection of amblyopic risk factors in patients from six months old through adulthood.
By detecting light reflexes from the retina, the device measures the following:
- Refractive Errors: Myopia, hyperopia, astigmatism, and anisometropia.
- Ocular Misalignments: Strabismus (eye gaze deviation).
- Pupil Characteristics: Anisocoria (pupil size) and pupil distance (PD).
This objective data helps healthcare professionals efficiently determine the need for specialist referrals, with successful readings captured 97% of the time.
What is the effective patient age range?
The Welch Allyn Spot Vision Screener is effective for a broad range of patients, covering individuals from six months through adulthood.
This device is specifically designed to support the American Academy of Pediatrics (AAP) guidelines and is highly effective for screening:
- Pediatric patients
- Patients with limited mobility

Welch Allyn Spot Vision Screener