From: A low cost surrogate eye model for corneal foreign body removal
Materials | Quantity | Cost (Singapore Dollars) | Cost (US Dollars) |
---|---|---|---|
Agar powder | 3 g | 1.10 | 0.82 |
Table tennis ball | 1, halved | 0.10 | 0.08 |
Pencil lead shavings | 1 g | 0.10 | 0.08 |
Total cost | 1.30 | 0.98 |