ipc w3 Flashcards
(18 cards)
What is the definition of blurred vision
Lack of sharpness
What are common causes of blurred vison
- Refractive error
-Cataracts
-Retinal disease
-optoc nerve disorders
How can we test for blurred visom
- visual acuity test
-slit lap exam
What is the definition of cataract
Clouding of the lens which leads to progressive blurry vision
What are risk factors for cataracts
- Age, diabetes, steroids, smoking, Uv light
What are symptoms of cataracts
- Blurred vision, faded colours, frequent glasses changes
How are catarcts diagnoses- using what
Slit-lap exam which shows lens opacities
How are cataracts treated
Surgery`
What is definition of glaucoma
Group of diseases which causes optic nerve damage due to high Introcular prressureW
What are risk factors for glaucoma
Increased IOP
-Age
-family
ethnicity
-Diabetes
Explain the mechanism for primay open angle glaucoma
- Imaparied drainage, which leads to high IOP which then leads to optic nerve damage
How is Primary open angle glaucoma diagnosed
Tonometry
gonioscopy
optic disc cupping
How is Primary Open angle glaucoma treated
- Medications to lower IOP
-surgery
Explain the mechanism of angle closure glaucoma
- The iris blocks drainage, which leads to sudden in creas in IOP
wHAT Can trigger Angle closure glaucoma
Darkness, stress, meds causing pupil dilation
What are symptoms of Angle closure glaucoma
- Eye pain, headachea, nausea, blurred vision, red eye
What can be done to manage Angle closure galucoma
Meds to lower IOP
Lase iridiotomy
