-
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...
- 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...
-
Herman Snellen (Dutch pronunciation: [ˈɦɛrmɑn ˈsnɛlə(n)],
February 19, 1834 –
January 18, 1908) was a
Dutch ophthalmologist who in 1862
introduced the...
- 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...
-
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...
-
Samuel Constant Snellen van
Vollenhoven (18
October 1816,
Rotterdam – 22
March 1880) was a
Dutch entomologist. He is not to be
confused with
Pieter Cornelius...
-
species of moth of the
family Crambidae described by
Pieter Cornelius Tobias Snellen in 1880. It is
endemic to south-east Asia,
including the
Northern Territory...
- 1959, are a set of
optotypes used to test
visual acuity generally used in
Snellen charts and
logMAR charts. This set of
optotypes consists of ten specially...
- 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...
