History

Age of onset

Documentation?

Direction of deviation

Eso-, exo-, hyperdeciation or combined?

Which eye

Alternates? Always the same eye?

Double Vision

Mode of onset

Suddenly? Gradual? Precipitation factors?

Type of deviation

Constant

Photophobia

Asthenopia

Prior treatment

Glasses, occlusion, prisms, drops, surgery?

Family history

Strabismus, lazy eye? Muscle surgery? Anesthesia problems?

Medical history

Birth weight? Development? Schooling? Neurological? Allergies? Fatigability?

Lid fissures

Ptosis

Mongoloid/ antimongoloid

Check for A- or V- patterns

Exophthalmos or enophthalmos

Lagophthalmos

Closure of one eye in bright light

Epicanthal folds

Head posture

Facial asymmetry Hypertelorism

Fixation preference

Alternating

Unilateral

Constancy of deviation

Variable

Nystagmus

Inspection

Testing

Visual Acuity

Tests for stereopsis

Ductions and versions

Cover test, cover-uncover test, prism cover test

Motor fusion

Sensory Behavior

NPC and NPA

Tests for cyclotropia

Diplopia fields

Refraction, media, fundus

Forced ductions, estimation of generated muscle force

Binocular

Monocular

Reduced by latent nystagmus

Resolving power

Grating Stripes

Full Contrast

Phase Contrast

Recognition

Allen (etc) Pictures

Snellen Optotypes

Pinhole

VEP

Full line

Single Optotypes

Head posture Null point

Treatment plan

Patient education

Follow-up schedule