INS-11021 | Ophtalmoscope Head YZ11D
Color: Default Title
SKU: INS-11021
INS-11021 | Ophtalmoscope Head YZ11D
The Opti+ INS-11021 YZ11D Ophthalmoscope Head is a compact direct ophthalmoscope designed for clear examination of the ocular fundus. Its improved optical system, adjustable halogen illumination, wide selection of viewing lenses, and multiple aperture options provide the flexibility required for routine eye examinations in clinics, hospitals, and mobile screening environments.
Outstanding Features
Clear Fundus Visualization
The YZ11D features an improved optical design that provides clear and detailed visualization of the ocular fundus during direct ophthalmoscopy.
24 Viewing Lenses
A comprehensive selection of 24 corrective lenses allows the practitioner to compensate for refractive differences between the examiner and the patient. Available powers range from −35D to +20D.
Five Illumination Options
The ophthalmoscope includes large spot, small spot, slit, central fixation grid, and red-free illumination, allowing the examiner to select the appropriate setting for different observation requirements.
Red-Free Filter
The integrated red-free filter enhances the contrast of retinal blood vessels and may assist in the observation of vascular details and retinal abnormalities.
Adjustable Halogen Illumination
A high-quality 3.5 V, 2.8 W mini halogen bulb provides bright illumination and natural color rendering. Light intensity can be adjusted through the compatible rechargeable handle.
Compact and Portable Design
Weighing only 93 g (3.30 oz), the ophthalmoscope head is convenient for use in examination rooms, hospitals, nursing facilities, and mobile eye-care programs.
Rechargeable Handle Compatibility
The head is designed for use with a compatible 3.7 V lithium-ion rechargeable handle. The corresponding charging system supports convenient recharging and battery protection against overcharging and excessive discharge.
✅ The Opti+ INS-11021 YZ11D Ophthalmoscope Head combines clear optical performance, 24 corrective lenses, five illumination settings, and a lightweight portable design for dependable direct fundus examinations.
Technical Specifications
| OPTICAL & EXAMINATION DATA | |
| Instrument Type | Direct ophthalmoscope head |
| Model | YZ11D |
| Application | Direct examination of the ocular fundus |
| Number of Viewing Lenses | 24 corrective lenses |
| Positive Viewing Lenses | 0, +1, +2, +3, +4, +5, +6, +8, +10, +12, +15 and +20D |
| Negative Viewing Lenses | 0, −1, −2, −3, −4, −5, −6, −8, −10, −15, −20, −25 and −35D |
| Illumination Selections | Large spot, small spot, slit, central fixation grid and red-free illumination |
| ILLUMINATION & POWER | |
| Light Source | Mini halogen bulb |
| Bulb Rating | 3.5 V, 2.8 W |
| Brightness Control | Adjustable through compatible handle |
| Compatible Handle Power | 3.7 V DC lithium-ion battery module |
| Compatible Battery | CGR18650 lithium-ion battery |
| Compatible Charger Input | AC 110–240 V, 50/60 Hz |
| Input Power | 20 VA |
| Operating Mode | Continuous |
| SAFETY DATA | |
| Electrical Safety Class | Class II charger; internally powered ophthalmoscope |
| Ingress Protection | IPX0 |
| AP/APG Classification | Not classified as AP or APG equipment |
| Charger Fuse | T500 mAL, 250 V |
| PHYSICAL DATA | |
| Head Dimensions | 3 × 1 × 1 in (7 × 2 × 2 cm) |
| Head Weight | 3.30 oz (93 g) |
