ランドルト環
randorutokan
1. Landolt ring; Landolt C
Noun
#536048
1. Landolt ring; Landolt C
1. corona
2. coronavirus
3. COVID-19
1. If/when the Landolt ring; When seeing the Landolt ring
1. Landolt ring; Was
1. Not a Snellen chart.; Not the Landolt ring.
1. Was not a Snellen chart.; Was not the optotype chart.
1. It's not a Landolt ring.
1. If it were a Landolt ring; If it was a Landolt ring
1. Was a Landolt ring.