contact us for copies of studies and
articles on the use of foils
Foils may be cut to fit most frame
sizes and shapes and adhere to
existing lenses with only water

Uses:
•  Prophylactic uses:  to prevent
Amblyopia, suppression, abnormal
retinal correspondence.

•   Therapeutic uses: treatment of
Amblyopia, orthoptic treatment,
Diplopia, Diplopia with monocular
Aphakia (with <0.1).  

•  Can be used as a primary
treatment or as alternative treatment
in cases where patching therapy is
no longer providing further benefits.
Foils Pictured:
Light Perception, 0.6 and 00
ITEM
 VISUAL ACUITY
1.0
 ~20/20
0.8
 ~20/25
0.6
 ~20/30
0.4
 ~20/50
0.3
 ~20/70
0.2
 ~20/100
0.1
 ~20/200
<0.1
 ~20/300
Light Perception
 None
00
 None
Our office hours are 7:30 am to 4:00 pm cst M-F

  • 1-800-544-4760
  • 1-952-496-0432
  • 1-952-403-7900 -fax

Fresnel Prism & Lens Co.
6824 Washington Ave.S
Eden Prairie, MN  55344
email:  fresnelpnl@aol.com
Bangerter Occlusion Foils