well - zygo
- well-defined membrane
- Wessley immune ring
- white limbal girdle of Vogt
- white pupil
- white pupillary reflex
- white-without-pressure
- wide-angle lens
- widespread metastases
- Wilson's disease
- window defect
- wing cell
- working distance
- wound
- wrinkle
- Wyburn-Mason syndrome
- X-linked recessive inheritance
- xanthelasma
- xanthogranuloma
- xanthoma
