Systemic Hypertension effect on eye

 

Hypertension

is one of the commonest diseases in the world, affect up to 60% of those aged over 60 years old.

The majority of HTN is chronic, unknown cause ( essential ).

HTN mean increase systemic blood pressure > 140 / 90 mmHg.

Ophthalmic features include:

The differential diagnosis of Coats disease

Is similar to the differential diagnosis of  leukocoria (which is extensive).

It includes:

• retinoblastoma.
• persistent fetal vasculature (PFV).
• retinopathy of prematurity.
• rhegmatogenous.

Main lines of treatment of coats disease

 

The disease does not respond to steroid or antibiotic treatment.

Recommended treatments  depend mainly on the stage of the disease,

and they include:

• observation,
• laser photocoagulation,
• cryotherapy,
• retinal detachment repair with pars plana vitrectomy and/or scleral buckle,

Clinical Finding in Coats Disease

 

Clinically, Coats disease presents with:

1. decreased vision.
2. strabismus.
3. leukocoria.

(white pupillary reflex or cats eye reflex), and redness.

It may, however, be detected incidentally

What is Coats disease ?

 

Coats Disease:

Is a rare idiopathic retinal condition, in which abnormal telangiectatic retinal vessels cause intra- and subretinal exudates and retinal detachment.

Figure 1.

Figure 2.

It typically occurs unilat