From HPO
Exotropia- MedGen UID:
- 4613
- •Concept ID:
- C0015310
- •
- Disease or Syndrome
A form of strabismus with one or both eyes deviated outward.
Nystagmus- MedGen UID:
- 45166
- •Concept ID:
- C0028738
- •
- Disease or Syndrome
Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms.
Reduced visual acuity- MedGen UID:
- 65889
- •Concept ID:
- C0234632
- •
- Finding
Diminished clarity of vision.
Congenital stationary night blindness- MedGen UID:
- 83289
- •Concept ID:
- C0339535
- •
- Congenital Abnormality
A nonprogressive (i.e., stationary) form of difficulties with night blindness with congenital onset.
Visual impairment- MedGen UID:
- 777085
- •Concept ID:
- C3665347
- •
- Finding
Visual impairment (or vision impairment) is vision loss (of a person) to such a degree as to qualify as an additional support need through a significant limitation of visual capability resulting from either disease, trauma, or congenital or degenerative conditions that cannot be corrected by conventional means, such as refractive correction, medication, or surgery.
Electronegative electroretinogram- MedGen UID:
- 867203
- •Concept ID:
- C4021561
- •
- Finding
A dark-adapted bright flash electroretinogram in which the b-wave that is of markedly lower amplitude than the associated a-wave (source
Abnormal amplitude of light-adapted flicker electroretinogram- MedGen UID:
- 893140
- •Concept ID:
- C4072969
- •
- Finding