Human eyes have a lot of glands , which are prone to infection . Infection of which modified gland of eyelids causes style or externa hordeolum ?

The correct answer is Gland of ZeisAn external stye or styes is an infection of the sebaceous glands of Zeis at the base of the eyelashes, or an infection of the apocrine sweat glands of Moll. External styes form on the outside of the lids and can be seen as small red bumps. Internal styes are infections of the meibomian sebaceous glands lining the inside of the eyelids.