Dry Eye

Question 1

Punctal plugs:

Answer 1

Tiny, biocompatible devices that can be inserted into tear ducts to block drainage.

This increases the eye’s tear film stability and surface moisture to help relieve certain forms of dry eye.

Question 2

How can you differentiate between Dry Eye and blocked Nasolacrimal Tear Duct?

Answer 2

Dry Eye causes:

• A gritty, irritating foreign body sensation.
• Low Tear Reservoir
• Corneal Staining
• Conjunctival Staining

Blocked Tear Duct:

• High Tear Reservoir
• No Staining

Question 3

Keratoconjunctivitis Sicca

Answer 3

Dryness of the conjunctiva and cornea.

Too few tears may be produced, or tears may evaporate too quickly.