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With the question of Dr. Muhammad Hantira - Honorary Assistant Professor - Ophthalmology Department - Umm Al-Qura University - Saudi Arabia He explained to us that he diagnoses keratoconus by examining the patient's eye, topographic imaging of the cornea with a pentameter camera, and measuring the thickness of the cornea.
Keratoconus, by its nature, is an increasing disease in which a gradual deterioration occurs over time until the patient reaches the age of forty.
The treatment of keratoconus depends on the stage in which the disease was discovered, as the disease progression can be divided into 3 stages:
Kidney corneal transplantation, in which the patient's cornea is replaced by a human cornea from a deceased donor in all its layers
Partial or stratified corneal transplantation, in which the patient's surface layers (suffering from the disease) are replaced while preserving the inner connective cell layer lining the back surface of the cornea, which leads to a reduction in the rate of immune rejection of the transplanted cornea.
With the question of Dr. Muhammad Hantira, an honorary assistant professor, ophthalmology department, Umm Al-Qura University, Saudi Arabia He explained to us a number of contact lenses used in the treatment of keratoconus, including:
Special soft contact lenses
Recently, contact lens manufacturers have started offering special contact lenses specifically designed to correct mild and moderate cases of keratoconus. These lenses are manufactured based on detailed eye measurements of a person with keratoconus and may be more comfortable than gas permeable contact lenses or hybrid contact lenses for some people.
Some recent studies have shown the optical performance of special contact lenses in the form of a round protrusion and rigid contact lenses that are permeable to gases to correct mild cases of keratoconus. Rigid gas permeable lenses achieve better visual acuity in lower contrast situations and special contact lenses in the shape of the round notch work better for higher contrast situations. Special contact lenses in the shape of a round bump are significantly more expensive than regular contact lenses.
Permeable contact lenses
In the event that the usual contact lenses and eyeglasses are unable to control keratoconus, then gas permeable contact lenses are the appropriate treatment. Gas permeable lenses are attached to the cornea of the eye, replacing its irregular shape with a smooth and refractive surface to improve vision.
That he should expect frequent follow-up visits in the clinic in order to be able to check the fixation of the lenses, especially in the case of continuing progression of the condition of keratoconus. Attaching contact lenses to keratoconus eyes is often a difficult and time-consuming job. As Dr. Hantira explained:
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