FIELD: medicinal polymers. SUBSTANCE: invention relates to an optic facilities, in particular ophthalmologic lens, lens blanc or preliminarily shaped lens blanc, composed of thermoplastic material depicted by following formula: 
, in which n=20- 200; R represents hydrogen atom, 
, or 
; Ar represents 
; and X is constituted by 
(10-100 mol %) and 
(0-90% mol %) or 
(0-90% mol %). EFFECT: enabled manufacture of optically transparent optic facilities having reduced-thickness borders due to high refraction index values. 15 cl, 2 ex
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