The direction of pull of the muscles forms a 23Â° angle relative to the visual axis in the primary position, giving rise to secondary and tertiary functions. The secondary action of vertical rectus muscles is torsion. The superior rectus is an incyclotorter, and the inferior rectus is an excyclotorter.
-Marcia. Dear Marcia, Eyelash growth serums generally contain either a prostaglandin derivative, like prescription Latisse, or over-the-counter Revitalash; peptides, like Jan Marini Growth Serum; or vitamins, like Peter Thomas Roth Lashes to Die For.
Saved0. Eyelash tint is a form of hair dye developed for specific use on the eyelashes. Eyelash tinting produces a similar effect to mascara. It visibly lengthens, darkens and thickens the appearance of eyelashes without smudging, clotting or rubbing off.The treatment is quick, cheap, safe and widely available in beauty salons across the UK.yelash tinting produces a similar effect to mascara. It visibly lengthens, darkens and thickens the appearance of eyelashes without smudging, clotting or rubbing off.