Hypotropia

hypotropia
Misalignment of the eyes such that one eye is rotated slightly lower than the other eye.
H ...

hypotropia
hap trpi noun a form of squint where one eye looks downwards
hypoventilation ...

Hypertropia and hypotropia are less common than esotropia and exotropia.
Squints can also be:
apparent at all times (constant), or
only apparent at certain times (intermittent).

Crossed eyes; Esotropia; Exotropia; Hypotropia; Hypertropia; Squint; Walleye; Misalignment of the eyes; Comitant strabismus; Noncomitant strabismus
Causes ...

Esotropia and exotropia are more common than hypertropia and hypotropia.
Squints can either be constant (obvious at all times) or intermittent (apparent at certain times only).

An eye that turns inwards is called an esotropia.
An eye that turns outwards is called an exotropia.
An eye that turns upwards is called a hypertropia.
An eye that turns downwards is called a hypotropia.

Hypothyroidism - infants (Neonatal hypothyroidism)
Hypotropia (Strabismus)
Hypovolemic hyponatremia (Hyponatremia)
Hypovolemic shock
Hypoxic encephalopathy (Cerebral hypoxia)
Hysterical neurosis (Conversion disorder) ...

See also: Hypertropia, Strabismus, Squint, Exotropia, Esotropia