Oculus e-Clinic

Assessment and diagnosis of ocular anormalies depends on a sound understanding of the anatomy and physiology of the visual system and its patterned deviation from the normal normal eye.look for signs and symptoms.
The ocular surface is a complex integrated system involving the cornea,conjunctiva,tear film,la final gland,basil a rim al system and the eyelids(including the meibomiam gland,and lashes).
The normal physiological function of the ocular surface depends on the interaction of these different components.working together they maintain a clear optical surface,keep the eye from drying out,and protect it from trauma and infections.changes in the structure and function of any of the ocular surface components can disrupt its delicate balance and lead to pathology.
Ocular surface have relatively limited set of symptoms and signs,and systemic approach to assess and diagnose its conditions.
A patient may present limited range of symptoms and signs.As a physician taking a detailed history is very important.Ask the patients whether they have experienced or are experiencing any of the following :
*Reduced vision:(mild blurring can occur if the tear film is disturbed ;more severe suggests cornea or other diseases involvement )
*Irritation or gritty sensation:suggests epithelial disturbances.example;allergic conjunctivitis 
*Itching :(suggests allergy)
*Pain(sharp pain suggests a corneal problem or foreign body:a duller ache may suggest uveal or scleral inflamation)
*Purulent discharge 
*watering(tearing);may be due to lacrimation(increased tear production)or Epiphora ;(decreased drainage )

See differential diagnosis  and tests on ocular surface anorlies in the next publication OCULUS II
⚠️ it is important to take note of when and how the problem developed.
⚠️Ask if there is any history of trauma
⚠️Ask if there is any history of foreign body Sensation
⚠️Ask if person wears contact lenses (how hygienic is the usage);ask how they clean and use them.

Remember to contact your eye care practitioner (opthalmologis/optometrist ) on any ocular emergency.
Read more on:www.cehjournal.com

✍🏽If it's Ocular health.....ask Dr.OCULUS

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