Optical Solutions for Tunnel Vision
Optical Solutions for Tunnel Vision
Ocutech's optical field expansion devices help individuals with Retinitis Pigmentosa (RP) and other forms of peripheral visual field loss improve awareness of their surroundings while maintaining clear, natural, distortion-free vision.
Recommended for individuals with a remaining visual field of approximately 7°–20°.
Best For:
Tunnel Vision
- RP
- Glaucoma
- Choroideremia
- etc.
Products:
- Field Viewer (FV)
- Image Minifier (IM)
- Field Expander (FE)
Image Reduction:
- 0.25x
- 0.5x
Prescribing Options:
- Handheld
- Frame Mounted
- Clip-On
Why Choose Ocutech for Tunnel Vision?
Ocutech's optical field expansion systems help individuals with tunnel vision improve awareness of their surroundings through clear, distortion-free image reduction. Unlike many digital or electronic image processing systems, Ocutech's optical devices reduce image size without introducing barrel distortion, image lag, or reduced image quality.
• Distortion-free optical image
• Expands environmental awareness
• No batteries or electronic image processing
• Multiple prescribing options
• Designed specifically for individuals with tunnel vision
• Easy to demonstrate, fit, and prescribe
How It Works?
Optical field expansion devices reduce the apparent image size, allowing more of the surrounding environment to fit within the patient's remaining visual field.
Available Mounting Options
Field Viewer
(0.25x)
- Handheld
- Used at arm's length
- includes neck strap and pouch
Image Minifier Handheld (0.5x)
- Handheld
- Used close to eye
- includes neck strap and pouch
Image Minifier Frame Mounted (0.5x)
- Frame-Mounted
- Through-the-Lens
- Requires Trivex Lenses
Reveal FE Through-the-Lens
(0.5x)
- Frame-Mounted
- Through-the-Lens
- Binocular or monocular
- Requires Trivex Lenses
Reveal FE Instamount
(0.5x)
- Frame-Mounted
- Self-adhesive lens mount
- Prescriber Mounts
Reveal FE Demo Clip
(0.5x)
- Demonstration
- Clips onto patient's eyewear
- Used to fit Reveal FE
SightScope FE Frame Mount (0.5x)
- Frame-Mounted
- SightScope Flip system
- Binocular or monocular
SightScope FE Pt Clip
(0.5x)
- Frame-Mounted
- Clips onto patient's eyewear
- Binocular or Monocular
SightScope FE Demo Clip
(0.5x)
- Demonstration
- Clips onto patient's eyewear
- Binocular or Monocular
Specifications
| Specification | Field Viewer | Image Minifier (IM) | Image Minifier (IM) Frame Mount | Reveal Through-the-lens (TTL) | Reveal Instamount | Reveal Demo Clip | SightScope Frame Mount Field Expander (FE) | SightScope Patient Clip Field Expander (FE) | SightScope Demo Clip Field Expander (FE) |
|---|---|---|---|---|---|---|---|---|---|
| Product Type | Handheld | Handheld | Bioptic | Bioptic | Bioptic | Clip-on | Bioptic | Clip-on | Clip-on |
| Optical Design | Single Lens | Galilean | Galilean | Galilean | Galilean | Galilean | Galilean | Galilean | Galilean |
| Available Power | 0.25x | 0.50x | 0.50x | 0.50x | 0.50x | 0.50x | 0.50x | 0.50x | 0.50x |
| Field of View | N/A | 50° | 50° | 50° | 50° | 50° | 50° | 50° | 50° |
| Focusable | No | For refractive error only | For refractive error only | No | No | No | No | No | No |
| Prescription Required | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturing Defects Warranty | 2 years | 2 years Frames: 1 year | 2 years | 2 years Frames: 1 year | 2 years Frames: 1 year | 2 years | 2 years Frames: 1 year | 2 years | 2 years |
