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Optics Mon 4pm
Pharma Tue 1.30pm
BV Wed 11am
CLIO3/OD1 Thurs 11am

- Brought to you by the sexiest student

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1.  Corneal abrasion
2.  Foreign body
3. Corneal erosion
4. Infections

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3. Decreased VA
4. Photophobia
5. Increased tearing
6. Redness (inflammation)

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No, there are 2 others ocular dyes.
Lissamine Green and Rose Bengal.

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up to 7 days

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using slit lamp, by adding fluorescence into the eye, using blue light filter to scan the cornea.
You'll see a green line on the cornea if there is corneal abrasion.

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1. Corneal abrasion / lesion
2. Foreign body
3. (Possible) Corneal erosion

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Use pinhole to confirm that the problem is not refractive error. (VA 6/12) If VA does not improve, check using slit lamp.

Does the patient require any additional testing?
Apply fluoroscein to check for staining, optical section in the area to check if abrasion penetrates to the stroma

What is your diagnosis?
Recurrent corneal erosion

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TEST
1. Fluorescein staining
2. Sclerotic Scatter
INFORMATION
1. Blurred vision?
2. Contact lens wearer?
3. How she rinse the eye?
any previous surgeries done?

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Anterior Stromal Micropuncture- Under a slit lamp, a bent 20- to 25-gauge hypodermic needle is used to make several punctures through the anterior corneal epithelium and Bowman’s layer and into the anterior stroma. These micropunctures elicit a fibrocytic response and rapid basement membrane production, which anchor the corneal epithelium in place.
Debridement and superficial keratectomy- Under topical anesthesia, sterile forceps or ophthalmic sponges are used to clear away the loose anterior epithelium. The surrounding epithelium is then debrided, leaving a rim of corneal epithelium for re-epithelialization. The depth of the keratectomy should reach the anterior portion of Bowman’s layer.
Phototherapeutic keratectomy- In PTK, an excimer laser is used to ablate 5 to 10 µm of Bowman’s layer after mechanical debridement of the overlying corneal epithelium. Like superficial keratectomy, this allows the cornea to re-epithelialize with stronger adhesion to the basement membrane.

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It is a disorder of the eyes characterized by the failure of the cornea's outermost layer of epithelial cells to attach to the underlying basement membrane (Bowman's layer).

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What are the different layers of the cornea?

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What are the different layers of the cornea?

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superficial epithelium
wing cell
basal cell
bowman's membrane
stroma
descement's membrane
endothelium

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1. Pressure patching
- relieve pain
**should not be used in px who with high risk of infection

2. Bandage soft contact lenses
- to reduced inflammatory cell infiltration into the corneal stroma, decreasing the threat of cornea scarring

3. Hyperosmotic/Hypertonic and antibiotics ointment and drops
- to prevent recurrent erosion and infection

4. Topical non-steroidal and steroidal, anti-inflammatory preparation
- reduce inflammation and pain and swelling