- A
Snellen chart is an eye
chart that can be used to
measure visual acuity.
Snellen charts are
named after the
Dutch ophthalmologist Herman Snellen who...
-
Snellen is a
Dutch surname. Snel
means "quick" in
Dutch and the
original bearer of the name may have been a
lively person. However, the
origin of the...
-
Herman Snellen (Dutch pronunciation: [ˈɦɛrmɑn ˈsnɛlə(n)],
February 19, 1834 –
January 18, 1908) was a
Dutch ophthalmologist who in 1862
introduced the...
-
enable a more
accurate estimate of
acuity than do
other charts (e.g., the
Snellen chart). For this reason, the
LogMAR chart is recommended, particularly...
- can be
reliably identified is
considered the person's
visual acuity. The
Snellen chart is the most
widely used.
Alternative types of eye
charts include...
-
refers clarity of
distance vision, and is
measured using eye
charts like
Snellen chart,
LogMAR chart etc. Near
vision is
usually measured and
recorded using...
- the
optotype appears. For 6/6 = 1.0 acuity, the size of a
letter on the
Snellen chart or
Landolt C
chart is a
visual angle of 5 arc
minutes (1 arc min...
-
Pieter Cornelius Tobias Snellen (30
August 1832 – 29
March 1911) was a
Dutch entomologist.
Pieter Snellen was a
merchant in Rotterdam. He is not to be...
- 20/400 in US notation)
Snellen (most
people below 3/60 are
severely sight impaired).
Those better than 3/60 but
below 6/60
Snellen (people who have a very...
-
logMAR or 20/400
Snellen): 63% for OOKP and 49% for OKP 10-year
functional survival (visual
acuity better than 1.30
logMAR or 20/400
Snellen): 38% for OOKP...
