stra - supr
- strabismus
- streak
- stria
- strip of skin or muscle
- stroke
- stromal keratitis
- Sturge-Weber syndrome
- sty
- subarachnoid haemorrhage
- subcapsular opacity
- subchoroidal haemorrhage
- subconjunctival haemorrhage
- subfoveal membrane
- subhyaloid haemorrhage
- subjective refraction
- subluxation of lens
- subretinal fluid
- subsequent treatment
- substantia nigra
- substantia propria corneae
- subtenon injection
- sudden loss of vision
- sulcus
- sun-protective glasses
- sunburn
- sunburst lesion
- sunflower cataract
- sunglasses
- superficial conjunctival pericorneal plexus
- superficial punсtate keratitis
- superior limbic keratoconjunctivitis
- superior oblique muscle
- superior ophthalmic vein
- superior quadrantanopia
- superior rectus muscle
- superior tarsal muscle
- suppression
- suppuration
