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Sentence Optotypes
Sentence Optotypes
An optotype is any letter or symbol used on an eye chart or visual acuity test. A sentence optotype is a version of this that relies on standardized sentences for measuring acuity. When testing functional reading ability at different scales or within varying conditions, these can often be useful for providing a neutral, standardized tool. The RADNER charts provide 28 of these sentences, each of them selected for standardized reading speed, accuracy, formatting, grammar, text difficulty, sentence length, and word length. RADNER charts are often expensive to acquire, but some example sentences have been released publicly. 22 of these sentences are documented here to be used for evaluative purposes.
Each sentence should have justified spacing and a sans-serif font, with the line breaks placed at the same spots they are presented on this page.
RADNER sentences
RADNER sentences
1
Our father always hired this
bad bricklayer, who did not
come until Friday afternoon
2
Our trainer really wanted the
new trampoline, on which we
could practice exciting jumps
3
Her students rests close to
the settlement, of which they
took twenty excellent photos
4
Not everyone listened well to
his conclusion, which had not
come from important sources
5
New captains were hired for
the hovercraft, on which we
will travel tomorrow morning
6
The tourists walked right by
our restaurant, in which we
serve very expensive foods
7
His mother never looked for
the sunglasses, which he lost
near these flowers yesterday
8
Our sister knows this famous
old politician, who has many
friends serving as senators
9
Big animals hunted near the
old rainforest, in which we
found many impressive trees
10
His brother ordered many of
the sunglasses, for which we
found these beautiful boxes
11
The teacher started to wrap
his sandwiches, for which he
bought waxed paper yesterday
12
The children played with the
new basketball, which my aunt
bought without them yesterday
13
Wet clothing produced most of
her discomfort, for which she
blamed many different things
14
Red curtains were bought for
the apartment, which was not
ready until twelve yesterday
15
The pirates never entered the
old battleship, in which the
prince kept powerful weapons
16
Her players arrived late for
the tournament, at which each
team appeared very confident
17
The traders rested close to
our settlement, in which we
still hoarded essential goods
18
Her brother sent presents to
our department, that were not
opened before anyone arrived
19
Our trainer never sold this
old trampoline, on which we
have learned exciting jumps
20
The trainer soon replaced the
old goalkeeper, who was once
their most expensive player
21
Old Stephen wanted to repair
his snowmobile, which was way
older than everyone thought
22
Our father travelled here in
his helicopter, for which he
bought leather seats recently
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