Download pptx - Benefits of New Electronic Magnification Devices versus Conventional Magnifiers

Benefits of New Electronic Magnification Devices Versus Conventional Magnifiers For Those With AMD and Other

Low Vision Conditions

Kevin Huff O.D.ViewFinder

Low Vision Resource Center

www.viewfinderlowvision.com

1830 S. Alma School Rd. 10001 W. Bell Road Mesa, Arizona 85210 Sun City, Arizona 85351

(888) 811-3161www.enhancedvision.com

My Qualifications

My professional experience

My personal experience


Background Information

Low Vision Rehabilitation Definition

Any chronic “uncorrectable” visual impairment that limits daily functioning

Better defined by the main goal


Goal of Low Vision Rehabilitation

Independence


Three main tools ofLow Vision Rehabilitation Use Vision More Efficiently

Modify the size of the object (Magnification)

Enhance Contrast (usually by improving lighting)


Using Vision More Efficiently

Conditions like Macular Degeneration affect the central vision

Conditions like Glaucoma and Retinitis Pigmentosa affect the peripheral vision



Patients can be trained how to use parts of their vision that still remain

Eccentric Viewing Training



Visual Fields and Scotoma awareness:

Humphrey 10-2: usually for Macular Problems

Humphrey 30-2: usually for Glaucoma, Retinitis Pigmentosa, Strokes




Magnification Works

Patients with Macular Degeneration are great candidates for magnification

Magnification makes objects big enough to allow patients to “get around” blind spots


Magnification Works If a patient’s blind spot is large enough to block

an object the patient will not see it

If that same object is magnified so that it is larger than the blind spot, the brain is able to fill in the missing information as if blind spot isn’t there


Magnification Types Relative Size Magnification

Relative Distance Magnification

Angular Magnification


Magnification Types Relative Size Magnification

Make the object larger

○ i.e. Large print items


Magnification Types Relative Distance Magnification

Bring things closer


Magnification Types Angular Magnification

Magnification through optics


Contrast Sensitivity


Contrast Sensitivity


Contrast Sensitivity Contrast Sensitivity is lost in most diseases that

cause low vision, especially macular degeneration Contrast can be enhanced in two ways

LightingPhysically changing the material to high contrast colors

such as black and white


Summary So Far

Tools available Use eyes more efficiently Enhance Contrast Magnification


Summary So Far

Magnification Types Relative Size Relative Distance Angular Magnification


Near point Optical Devices

Conventional Spectacles/ Microscopic Glasses

Hand Magnifiers

Stand Magnifiers

Telemicroscopes

Electronic Devices(888) 811-3161

www.enhancedvision.com

Conventional Spectacles/ Microscopic Glasses Use Relative Distance magnification


Conventional Spectacles/ Microscopic Glasses ADVANTAGES

Hands-free

Cosmetically acceptable

Option patients ask for the most


Conventional Spectacles/ Microscopic Glasses DISADVANTAGES

Fixed reading distance

Short working distance

Obstructs illumination

Binocularity not possible above +10.00 DS








Hand Magnifiers

Use Angular Magnification primarily

Illuminated magnifiers enhance contrast

Can also be used with relative distance magnification


Hand Magnifiers

ADVANTAGESPortable

Inexpensive

Greater working distance than glasses


Hand Magnifiers DISADVANTAGES

Reduced field of view

Both hands occupied

May be difficult to keep in focus

Not great for long term tasks, especially over 4X

Problems with hand tremor or arthritis


Hand Magnifiers


Stand Magnifiers

Use Angular Magnification primarily

Illuminated magnifiers enhance contrast

Can also be used with relative distance magnification


Stand Magnifiers ADVANTAGES

Fixed focal length

Portable

Better than hand magnifier over 4-5X

Can be used with hand tremors


Stand Magnifiers DISADVANTAGES

Reduced field of view

Reduced illumination

Requires the use of accommodation, reading glasses or a bifocal

Each stand magnifier has specific requirements for add power to maintain clarity & magnification


Stand Magnifiers


Stand Magnifiers


Telemicroscopes

Use angular magnification


Telemicroscopes

ADVANTAGESMounted to keep hands free

Longer working distance than glasses

Binocularity up to 5X


Telemicroscopes

DISADVANTAGESCritical depth of focus or working distance

Smallest field of view for comparable magnification

Decreases contrast


Telemicroscopes


Telemicroscopes


Electronic Devices Use relative size magnification (or is it angular

magnification?) Can use relative distance magnification Enhance contrast Can be used with eccentric viewing


Electronic Devices Advantages

Large range of magnification (up to 75X)

Increased Contrast

Decreased Glare

Increased Working Distance

PC Compatible


Electronic Devices Advantages

Portable

Capture images

Distance vision


Electronic Devices

Disadvantages

Cost: Many options available to help with this

Portability: Not a problem anymore

Hard to use: this is a myth


Electronic Devices

Types of Electronic Devices

Desktop

Portable

New Type that I call the Acrobat Class


Merlin LCD


Merlin LCD


Merlin LCD Desktop CCTV

Combines large magnification range with large field of view

Enhances Contrast

Tray allows for smooth reading even at higher magnification levels

Controls are very easy to use(888) 811-3161


Merlin LCD

Excellent option for near tasks

Reading

Writing

Looking at photos


Merlin LCD Features Simple, easy to use controls Long lasting LED lighting for truer picture and

color 19”, 22” and 24” Monitors Magnification 2.4x to 85x varies with monitor size Screen easily pivots, both horizontally and

vertically to provide the most comfortable viewing position

You can personalize with 7 viewing modes 3 year warranty


Acrobat LCD


Acrobat LCD


Acrobat LCD

When the Acrobat LCD was introduced, it created the standard for a new class of CCTV

The portable desktop CCTV

Ideal for patients who travel for extended periods of time, i.e. winter visitors in Arizona

No longer have to purchase two desktop CCTVs


Acrobat LCD

Moving camera head allows patient to use this device for multiple tasks

Reading

Writing

Working with hands


Acrobat LCD

Moving camera head allows patient to use this device for multiple tasks

See their own face, i.e. makeup, shaving etc.

See others faces, i.e. grandchildren

Distance vision


Acrobat LCD Features Auto focus 3-in-1 camera for seeing yourself up

close, reading and distance viewing Detachable camera for use at multiple work

stations 19”, 22”, & 24” provide up to 82x adjustable

magnification (varies with LCD size) 28 available viewing modes to optimize contrast

and brightness Line markers, object locator, remote control and

more… Two Year Warranty


Transformer


Transformer


Transformer Similar Advantages to Acrobat LCD with a few

extras

Even more portable

Able to capture images


Transformer Excellent option for students or people who

attend presentations/ conferences often


Transformer Features Weighs less than three pounds 2.4x to 30x magnification (based on17” screen) Camera rotates 330 degrees reading, distance &

self viewing modes Connects to laptop, desktop computer or monitor. 28 custom color select modes Battery operated - up to 4 hours Built in LED lighting Auto install software/ plug & play 2 year warranty (888) 811-3161


Amigo


Amigo


Amigo


Amigo

Large portable CCTV

Extremely large field of view for portable CCTV

Screen tilts up and down to allow for comfortable use

Can be connected to TV Monitor for even larger field of view

Able to freeze images(888) 811-3161


Amigo Features Crisp, high-definition image Lightweight and portable 3.5x to 14x magnification Large 6.5” anti-glare LCD screen tilts for most

comfortable viewing angle Large field of view allow the reader to see more of

the reading area Freeze frame with adjustable size and contrast 6 viewing modes to optimize contrast and

brightness 2 year warranty (888) 811-3161


Pebble


Pebble


Pebble Lightweight Portable CCTV

Ideal size for patient to carry with them


Pebble Can be used for reading and many near spotting

tasksReading menus

Shopping- seeing price tags and labels

Seeing household items like stove dials and thermostats

Signing documents such as checks and receipts


Pebble Features Adjustable magnification 2x to 10x Lightweight design 3.5” or 4.3” high resolution LCD Large viewing area in a small package Adjustable brightness 28 available viewing modes Foldable handle with comfort grip Freeze image feature with capability to magnify

and change mode. 2 year warranty


To Schedule a Free – No Obligation in Home Demonstration

Call: 888-811-3161

Email: [email protected]
