![a) A standard Landolt broken ring. (b) Eight modified Landolt rings... | Download Scientific Diagram a) A standard Landolt broken ring. (b) Eight modified Landolt rings... | Download Scientific Diagram](https://www.researchgate.net/publication/289355875/figure/fig7/AS:342333561294850@1458630089536/a-A-standard-Landolt-broken-ring-b-Eight-modified-Landolt-rings-that-we-used-in-our.png)
a) A standard Landolt broken ring. (b) Eight modified Landolt rings... | Download Scientific Diagram
![References in Repeatability of an automated Landolt C test, compared with the early treatment of diabetic retinopathy study (ETDRS) chart testing - American Journal of Ophthalmology References in Repeatability of an automated Landolt C test, compared with the early treatment of diabetic retinopathy study (ETDRS) chart testing - American Journal of Ophthalmology](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/2000651971/2001442547/gr1.jpg)
References in Repeatability of an automated Landolt C test, compared with the early treatment of diabetic retinopathy study (ETDRS) chart testing - American Journal of Ophthalmology
![The Landolt ring stimulus employed by the CAA test. D is the diameter... | Download Scientific Diagram The Landolt ring stimulus employed by the CAA test. D is the diameter... | Download Scientific Diagram](https://www.researchgate.net/profile/Narmella-Yasoubi/publication/235720851/figure/fig1/AS:1010610670157826@1617959768707/The-Landolt-ring-stimulus-employed-by-the-CAA-test-D-is-the-diameter-of-the-ring-in.png)