Snellen eye chart - ✔️✔️20/20 means that "the pt can see at 20 feet what the normal
person can see at 20 feet" ( the larger the denominator, the poorer the patient's vision).
Pterygium: - ✔️✔️Raised wedge-shaped growth of thin, non cancerous tissue over the
conjunctiva.
Proptosis - ✔️✔️-Exophthalmos (also called exophthalmus, exophthalmia, proptosis, or
exorbitism) is a bulging of the eye anteriorly out of the orbit
Blepharitis - ✔️✔️-Chronic inflammatory disorder of the eyelids
and associated adnexal structures.
-May be unilateral or bilateral, and chronic condition.
-The most frequent patient complaint is of ongoing eye irritation, often accompanied by
eye redness.
-Result of bacterial infection, or other issue
-Ulcerative:
-The chronicity of blepharitis is punctuated by intermittent exacerbations.
-Secondary infections are common in ulcerative form-
(Staphlococcus aureus)
Nonulcerative Blepharitis - ✔️✔️-Due to Seborrhea, Trisomy 21, Psoriasis, ezema,
allergies and lice infestations.
-Contributing factors: expousure to chemicals or environmental irritants, contact lenses.
Ulcerative - ✔️✔️-Involves the lash follicle and the meibomian glands of the eyelid.
-May be pustules at the base of the hair follicles that may crust and bleed.
Objective - ✔️✔️-Use gloves to palpate the lid margins and lid for masses and palpate for
preauricular lymphadenopathy.
Clinical Examination and Dx - ✔️✔️-History should include questions about symptom
duration, smoking, allergens, contact lenses, and use of retinoids, which may provoke
or exacerbate symptoms.
-A history of acne, rosacea, or eczema should be evaluated (usually nonulcerative
blepharitis).
-Clinical Exam: Visual Acuity
-Culture and Sensitivity (If discharge).
-Diagnosis is based on the patient's history and physical examination findings.
-There are no confirmatory diagnostic tests or laboratory. investigations.
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