unit 3 Flashcards
Artificial Tears
manage dry eye symptoms
Antihistamines
* Mast Cell Stabilizers:
treat ocular allergies
Sympathomimetic Decongestants:
constrict blood
vessels
Hyperosmotics
reduce corneal swelling
Diagnostic Dyes
diagnose eye diseases;
Antimicrobials
treat mild bacterial infections
Ophthalmic Vitamins
slow progression of eye
diseases
Contact Lens Solutions
: for soft and rigid C/Ls
- Mast cell stabilizer
prevents the release of histamine
from cells
Antihistamine
bind to histamine cell receptors so that
histamine cannot bind and cause allergic symptoms
Contraindication
A specific situation where a
drug should not be used due to specific medical
conditions
Causes of Dry Eye Disease
Aging
* Medications
* Digital devices
* Environment
* Contact lenses
* LASIK surgery
* Meibomian gland dysfunction (MGD)
* Blepharitis
* Reduced aqueous production
Expression of meibomian gland
remove thickened oil so it can be
replaced with liquid oil
Staphylococcus
- Common bacteria on our skin
Blepharitis
- inflammation of the oil
glands of the eyelids
Hot compresses
◦ Lid scrubs
◦ Artificial tears
Soft contact lenses
daily wear or overnight extended wear
Gas permeable contact lenses
Crisp vision * Can correct higher amounts of astigmatism / irregular
cornea and distortion.
Hard lenses
– look like GP lenses but do not allow
oxygen through them
Specialty contact lenses
: Scleral or Hybrid Contact
lenses
Contact Lens solution
cleaning and storing soft
contact lenses
Hydrogen Peroxide CL Solution
Cleaning and storing any type of contact lens
toxic to eye until neutralized
Gas Permeable Contact Lens Solution
Simplus = all in one
* Cleans and conditions
* CL’s are stored in this
mps
vary in instructions and preservatives
GP cleaning systems
may be multipurpose or separate
cleaner and soaking solution; Thick solution