Loading...
Visual assessment of infants: vernier targets for the Catford drum.
Targets comprising a horizontal black line 5' thick offset by 1' were printed on strips to stick to the drums of the Catford Visual Acuity Apparatus. The 'vernier' targets so produced corresponded to the different sizes of Snellen letters from 6/6 to 2/60 when presented at 50 cm....
Na minha lista:
| Main Authors: | , , , , |
|---|---|
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
1991
|
| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1042355/ https://ncbi.nlm.nih.gov/pubmed/2036345 |
| Tags: |
Tilføj Tag
Ingen Tags, Vær først til at tagge denne postø!
|