Bicanthal plane is the transverse plane joining the 2 canthi
It marks the upper boundary of the mid face

Epicanthus inversus is a fold of skin which passes from the medial part of lower lid –  vertically upwards – covering the medial canthus
It is seen in association with congenital ptosis, blepharophimosis and telecanthus in blepharophimosis syndrome

Intercanthal distance is the distance between the medial canthi of the eye
It’s usually ranges from 30-35mm
For practical purposes, the intercanthal distance is considered to be approximately equal to the width of one eye
In certain conditions, the intercanthal distance increases – telecanthus
Intercanthal distance should not be confused with Interpupillary distance

Canthus is the area where the upper and lower eyelids meet
There are 2 canthi – medial and lateral

Alternate names (synonyms):

Palpebral commissures

NNP stands for:

National Nutrition Policy (India)