Table 1 Properties of commonly used contact lens materials.

From: Application of non-dominated sorting genetic algorithm (NSGA-III) and radial basis function (RBF) interpolation for mitigating node displacement in smart contact lenses

Material

Molecular formula

Procs/Cons

References

PMMA

(C5H8O2)n

Outstanding optical, properties, low oxygen permeability, high rigidity and toughness

23

PET

(C10H8O4)n

Low glass transition temperature, low rigidity, low surface energy, hydrophobic, excellent chemical resistance, and thermal stability

24

PHEMA

(C6H10O3)n

Tunable mechanical properties, relatively high water content, and good chemical and thermal stability

25

LSR

(C2H6OSi)n

Flexibility and high oxygen permeability

26