Steep Fitting Contact Lens

Soft contact lens fitting movement25 23.

Steep fitting contact lens. While this is often cited as a method for judging the lens fit the authors believe this method has limited application to modern thin. If the curvature of a contact lens is too flat or too steep for your eye s shape it could lead to discomfort or even damage to your eye. For a steep fitting lens slit lamp examination will reveal characteristics such as limited or no lens movement on blink bubble in the center of the lens vision. With a loose fitting lens the converse will occur.

After controlling for corneal curvature the association of rigid contact lens fit and. With a steep fitting lens the mires will look blurred prior to a blink and clear post blink. Hence proper fitting of the contact lenses is important to make sure that there wont be any harm to the eye and visual health different types of contact lenses have different fitting procedures. In this lens design the vaulting effect of the lens increases as the base curve decreases for a given diameter.

A greater proportion of the corneas wearing flat fitting contact lenses were scarred 43 compared with 26 for the steep fitted eyes. If patients complain of spectacle blur the contact lens fit should be reevaluated and discontinuation of lens use for a period should be considered. This is a bicurve contact lens with a fitting approach based on sagittal depth. Soft contact lens fitting lens laga steep lens is very stableand there is hardly any laga flat lens is less stableand therefore will lag more 27 25.

The most common types of contact lenses are soft spherical and soft toric and rigid gas permeable contact lenses. Here are some of the ways he or she will measure your eyes. The contact lens fitting. Rigid lens fitting method was also associated with incident corneal scarring.

Contact lens spectrum is the most respected source of clinical contact lens information for optometrists opticians and ophthalmologists. The other scenario we may come across when fitting a custom soft sphere toric or multifocal contact lens is a steep or tight fitting lens. With a loose fitting lens the converse will occur. Your eye doctor will take measurements and determine the best contact lens size and design for your eyes.

This change in the steep central posterior curvature is used to fit the cone. At present contact lenses have become the best alternative for glasses. Each month it offers timely editorial on fitting overcoming complications utilizing new technologies gaining patient compliance and more written by contact lens practitioners for contact lens practitioners. Comfort a critical factor of contact lens success steeper tighter fitting lenses may be more comfortable.

With a steep fitting lens the mires will look blurred prior to a blink and clear post blink.