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There are natural irregularities ( abberations) in the structural components of the eye which can cause lightwaves to focus incorrectly. A relatively new technique called wavefront analysis can detect such abberations. Laser treatment can also cause irregularities. However , new developments in laser technology have reduced this risk quite considerably. Customised ablation, using wavefront analysis, costs a little more than standard LASIK and may benefit some patients. Mr Tappin would be happy to discuss this option with you.

Radial Keratotomy was one of the earlier methods for treating short sightedness. Grooves were made in the cornea, to decrease its curvature / refractive power. This procedure is less precise than laser treatment and has been replaced by excimer laser in most practices.

Applying a ring of small spots of heat in specific locations using holmium laser in Laser Thermokeratoplasty ( LTK) or using an electrically heated wire in Conductive Keratoplasty causes the corneal tissue to contract, which in turn alters its shape and refractive power.

This procedure is suitable for low degrees of long-sightedness but return of long or short sightedness over a period of time is possible.

This is an option where treatment leaves the dominant eye corrected for distance and the non dominant eye corrected for near. This can occur naturally, or can be surgically induced. As 25% of the population find this difficult to tolerate, the concept would be tested first, by using contact lenses.

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