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Table 1 Ingredients and costs for the eye model construction

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