3nethra specto
3nethra specto is an advanced digital wearable subjective refractor designed to enhance precision and efficiency in vision testing.
3nethra specto
The 3nethra specto is a lightweight, digital wearable subjective refractor designed to deliver accurate and reliable measurements of refractive errors and visual acuity.
Lightweight and ergonomically built, it enables fast and accurate assessment of refractive errors and visual acuity, helping eye care professionals make informed decisions on corrective prescriptions. Integrated with a mobile application, specto supports remote subjective refraction, prescription generation and sharing, as well as secure storage and retrieval of patient data — making it an ideal solution for modern, high-volume eye care practices.
Lightweight and ergonomically built, it enables fast and accurate assessment of refractive errors and visual acuity, helping eye care professionals make informed decisions on corrective prescriptions. Integrated with a mobile application, specto supports remote subjective refraction, prescription generation and sharing, as well as secure storage and retrieval of patient data — making it an ideal solution for modern, high-volume eye care practices.
Clinical Highlights
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Portable Vision Testing Solution
Lightweight (200g), wearable design supports mobility across clinics, outreach programs, and remote care environments
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Suitable for All Age Groups
Accommodates an interpupillary distance (IPD) range of 54–80mm, making it ideal for both children and adults
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Fast and Accurate Refraction
Enables rapid and reliable subjective refraction, reducing examination time and increasing patient throughput
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Advanced Refraction Techniques
Supports a wide diopter range and includes tools such as Jackson Cross Cylinder (JCC) for precise astigmatism correction
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Comprehensive Vision Assessment
Facilitates both distance and near vision testing as part of the subjective refraction flow
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Wireless & Battery-Powered
Offers hassle-free use with wireless connectivity and long battery life for extended field operations
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Prescription Report Generation
Automatically generates prescription reports, streamlining clinical documentation and follow-up
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Patient-Friendly Design
Comfortable and adaptable for use in various positions, including pediatric or bedridden patients
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Mobile Application Integration
Operated via mobile app for intuitive control, patient data management, and prescription sharing
-
Tele-Optometry Enabled
Seamlessly supports remote subjective refraction and virtual consultations, expanding access to eye care
Clinical Highlights
-
Portable Vision Testing Solution
Lightweight (200g), wearable design supports mobility across clinics, outreach programs, and remote care environments
-
Suitable for All Age Groups
Accommodates an interpupillary distance (IPD) range of 54–80mm, making it ideal for both children and adults
-
Fast and Accurate Refraction
Enables rapid and reliable subjective refraction, reducing examination time and increasing patient throughput
-
Advanced Refraction Techniques
Supports a wide diopter range and includes tools such as Jackson Cross Cylinder (JCC) for precise astigmatism correction
-
Comprehensive Vision Assessment
Facilitates both distance and near vision testing as part of the subjective refraction flow
-
Wireless & Battery-Powered
Offers hassle-free use with wireless connectivity and long battery life for extended field operations
-
Prescription Report Generation
Automatically generates prescription reports, streamlining clinical documentation and follow-up
-
Patient-Friendly Design
Comfortable and adaptable for use in various positions, including pediatric or bedridden patients
-
Mobile Application Integration
Operated via mobile app for intuitive control, patient data management, and prescription sharing
-
Tele-Optometry Enabled
Seamlessly supports remote subjective refraction and virtual consultations, expanding access to eye care
Key Features
Advanced features delivering unmatched performance
- Suitable for subjective refraction screening for children and adults (IPD range: 54-80mm)
- Supports a wide diopter range and techniques such as JCC
- Lightweight (200g), portable, with prescription report generation
- Tele-optometry enabled for remote subjective refraction
- Operated via an Android app for patient data management and subjective refraction flow, including near vision
Key Features
Advanced features delivering unmatched performance
- Suitable for subjective refraction screening for children and adults (IPD range: 54-80mm)
- Supports a wide diopter range and techniques such as JCC
- Lightweight (200g), portable, with prescription report generation
- Tele-optometry enabled for remote subjective refraction
- Operated via an Android app for patient data management and subjective refraction flow, including near vision
Advantages
Faster Eye Exams
Speeds up vision assessments, ideal for busy clinics and outreach settings.
Reliable Results
Delivers accurate measurements for precise prescription and diagnosis.
Streamlined Workflow
Mobile app simplifies patient data management, record-keeping, and tele-refraction.
Portable & Versatile
Lightweight design supports use across clinics, remote camps, and home visits.
Cost-Efficient & Scalable
Reduces the need for bulky diagnostic setups and adapts easily to high-volume screenings like in schools or community centers.
Remote Consultation Ready
Enables real-time access to patient data for remote evaluation and faster decision-making.
AI-Driven Insights
Cloud integration and AI support provide valuable analytics for preventive care and long-term monitoring.
Empowered Patients
Simplifies the eye examination process, encouraging timely checkups and better eye health awareness.
Supports Training & Skill Building
Useful for training technicians and healthcare workers, especially in underserved areas.
Advantages
Faster Eye Exams
Speeds up vision assessments, ideal for busy clinics and outreach settings.
Reliable Results
Delivers accurate measurements for precise prescription and diagnosis.
Streamlined Workflow
Mobile app simplifies patient data management, record-keeping, and tele-refraction.
Portable & Versatile
Lightweight design supports use across clinics, remote camps, and home visits.
Cost-Efficient & Scalable
Reduces the need for bulky diagnostic setups and adapts easily to high-volume screenings like in schools or community centers.
Remote Consultation Ready
Enables real-time access to patient data for remote evaluation and faster decision-making.
AI-Driven Insights
Cloud integration and AI support provide valuable analytics for preventive care and long-term monitoring.
Empowered Patients
Simplifies the eye examination process, encouraging timely checkups and better eye health awareness.
Supports Training & Skill Building
Useful for training technicians and healthcare workers, especially in underserved areas.
Technical Specification
Spherical Correction Range
- -18 D to +18 D, with prescription steps of 0.25 D or 0.50 D (additional lens required)
Cylindrical Correction Range
- -6 D to +6 D, steps of 0.25 D
Axis Measurement Range
- 0° – 180°, steps of 1°
IPD Range
- 54 mm – 80 mm
Power
- Rechargeable Li-ion battery (included)
Communication
- Wireless
Weight
- Approx. 650 g
Accessories included 
- Occluder 
- Pinhole
- Stenopaic slit 
- Maddox Rod 
- Red Filter 
- Green Filter
- + 10D Add-on Lens
- - 10D Add-on Lens 
Take the Next Step Towards Advanced Eye Care Solutions
Learn more about 3nethra specto and bring its revolutionary capabilities to your practice today
