https://www.healthybelgium.be/en/medical-practice-variations/sensory-system/eyes/endothelial-cell-counting
For a healthy Belgium: indicators of health and care
endothelial cellcountinghealthybelgium
https://www.news-medical.net/news/20220901/Cell-Counting-Without-Slides-to-Reduce-Waste-and-Cost.aspx
Until recently, cells were typically counted on a reusable quartz hemocytometer.
cell countingwithoutslidesreducewaste