Abnormal retinal artery morphology

• Abnormality of retinal arteries
• Retinal arterial abnormality

• has_part some (
      morphology and
      inheres in some (
          artery and
          part of some retina) and
      has modifier some abnormal)

• Abnormal retinal vascular morphology
• Abnormal systemic arterial morphology
• Abnormality of head blood vessel