|
Item
|
The Invented one
|
Other already used
|
| Efficiency |
More
|
Less
|
| Image
visualized through the system |
A Real Erect Image is examined
|
Inverted image of the retinal of the patients
is examined
|
| Price |
1/50 the price of the cheapest model present
in the market
|
unbeivable very expensive
|
| Optical
system used |
One fixed optical medium is used
|
Complicated mobile multi-systems are used
|
| Maintenance
account needed |
neglictable
|
expensive
|
| Weight |
around 250 grams with the headband and
batteries included
|
around 1500 grams without the
transformer |
| Application |
applicable to all indirect ophthalmoscopes
|
limited to a specific model
|
| Illumination system used |
Non specific and very cheap
|
Specific very expensive & limited
to
a specific model and cannot be used for any
other models
|
