dias - dist
- diascleral
- diathermocoagulation
- diathermogoniopuncture
- diathermy
- differential diagnosis
- diffraction
- diffuse anterior scleritis
- diffuse illumination
- digital
- digital massage of the eye
- dilatation
- dilate
- dilator pupillae muscle
- diopter
- dioptometer
- dioptric power
- diplopia
- diplopia test
- direct illumination
- direct image