Please enable JavaScript.
Coggle requires JavaScript to display documents.
Hypermetropia (Complications (Recurrent stye, Blepharitis,Chalzion due to…
Hypermetropia
Complications
Recurrent stye, Blepharitis,Chalzion due to infection by repeated rubbing of eye
-
-
-
Clinical Classification
Simple / Developmental / Physiological ( Commonest Form)
➡️ Developmental Axial / Curvatural Hypermetropia
Non Physiological
-
Acquired ➡️
Senile Hypermetropia
due to
- Index Hypermetropia ( Cortical sclerosis )
- Curvatural Hypermetropia ( ⬇️ Curvature of Lens fibers )
-
-
-
Acquired Axial Hypermetropia due to forward displacement of Retina as seen in
- Retinal detachment
- Central serous retinopathy
- Orbital tumours
-
Functional Hypermetropia due to paralysis of accommodation ( 3rd nerve paralysis & Internal Ophthalmoplagia )
Sign
Small eyeball
Smaller cornea
Shallow anterior chamber
Hypermetropic refractive error ( Retinoscopy & Autorefractometry )
-
-
-
-
-
Relation with Age
+2 to+3 Hypermetropia at Birth
Gradually reduced
By the age 5-7 years ➡️Emmetropia till 50 years of age
gradually increased
+2 to +3 Hypermetropia at extreme of life
Symptoms
Asymptomatic by Mild accomodative effort
Asthenopic symptoms due to sustained accomodative effort
Defective vision with Asthenopic symptoms
Defective vision only
-