Refractor Head – Manual | Model AA-201
The AA-201 Manual Refractor Head is a precision ophthalmic diagnostic instrument designed for accurate subjective refraction during eye examinations. It is widely used by ophthalmologists, optometrists, eye hospitals, clinics, and optical practices for reliable measurement of refractive errors.
🔍 Product Overview
The AA-201 is a mechanical (non-digital) refractor head engineered for smooth operation, long service life, and precise lens positioning. Its ergonomic design ensures patient comfort while allowing the examiner to perform fast and accurate refraction tests.
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(All brands under Ernest Pharmaceutical Pvt. Ltd.)
@ERNESTVISION | ERNEST PHARMACEUTICAL PVT LTD
For global exports, OEM branding & distributor partnerships:
📧 Email: exports@ernestpharmaceuticals.com 🌐 https://ernestpharmaceuticals.com/ | https://www.ernestvision.com/ | https://www.ernestimpex.com/
Sachin Kashiwar: WhatsApp link https://wa.me/919359902383
📲 WhatsApp: +91 9359902383
⭐ Key Features
Manual refractor head with smooth rotary controls
Accurate testing for sphere, cylinder, and axis
Clear lens markings for easy reading
Lightweight & well-balanced design
Comfortable nose rest and adjustable PD settings
Durable metal body with corrosion-resistant finish
Low maintenance, ideal for continuous clinical use
🩺 Clinical Applications
Subjective refraction testing
Myopia, hypermetropia & astigmatism assessment
Routine eye examinations
Optical prescription verification
🏥 Ideal For
Eye hospitals & vision centers
Optometry clinics
Optical stores
Medical colleges & training institutes
📦 Standard Configuration
Manual Refractor Head – Model AA-201
Dust cover
User manual
Protective packaging suitable for export
Optical & Measurement Specifications
| Parameter | Specification |
|---|---|
| Spherical Power | −19.00 D to +16.75 D |
| Spherical Step | 0.25 D |
| Cylinder Power | 0 to −6.00 D |
| Extended Cylinder Power | 0 to −8.00 D (with auxiliary cylinder lens −2.00 D) |
| Diopter Step | 0.25 D |
| Cylinder Axis | 0° to 180° |
| Axis Step | 5° |
| Cross Cylinder | ±0.25 D |
| Rotatory Prism | 0 to 20△ |
| Prism Step | 1△ |
Adjustment Parameters
| Parameter | Specification |
|---|---|
| Pupillary Distance (PD) Adjustment | 50 to 75 mm (1 mm step) |
| Forehead Rest Adjustment | 16 mm |
| Vertex Distance | 13.75 mm |
Finish & Build
| Parameter | Specification |
|---|---|
| Finish Color | Gray & Black |
Auxiliary Lens Dial – Contents
| Marking | Description |
|---|---|
| Open Aperture | Clear viewing |
| R | Retinoscopic lens +1.5 D |
| P | Polarizing lens (45° – Left Eye, 135° – Right Eye) |
| WMH / RMH | Maddox Rod – Horizontal (White Left / Red Right) |
| WMV / RMV | Maddox Rod – Vertical (White Left / Red Right) |
| GL | Green Lens |
| RL | Red Lens |
| PH | Pin Hole |
| OC | Occluder |
Physical Parameters
| Parameter | Specification |
|---|---|
| Dimensions (L × W × H) | 340 × 100 × 290 mm |
| Weight | Net: 5.0 kg / Gross: 7.0 kg |
