The process of examining the inner eye using ophthalmoscope is known as ophthalmoscopy. There is direct and indirect ophthalmoscopy. In the former procedure, the image of the eye is usually produced in an upright image which usually takes up to 15 times the original size. Indirect ophthalmoscope inverts the image to a size between 2 to 5 times its actual size. This procedure is used in the process.
There are different characteristics of the instrument that differentiates between the two types of the procedure. For this reason, each of the procedure has its special type of instrument. The direct instrument is small, about the size of a flashlight with powerful lenses for magnification.
There are many advantages of using this indirect gadget. The first is that it provides a better view of the fundus of the eye and thus can even be seen with the lens covered with cataracts. It has condensing lenses that improves the field of view to up to 30 degrees. This makes it even better to view the retina in a peripheral way. Because of the improved way of view, you can be sure of best retinopathy assessment process using this gadget.
Utilizing an indirect funduscope has distinct advantages over its equivalent. It offers a broad perspective that renders a detailed view of the area around the eyes. This clear representation is achievable should the lens be covered by cataracts. The breadth of perspective increases by thirty degrees when facilitated by the potency of condensing lenses. By enabling a peripheral view of the retina, this approach is better, because it facilitates the retinopathy assessment process.
This instrument provides indirect illumination which enhances the pigmented lens size. The equipment is also best for viewing retina because it has monocular and binocular which facilitate peripheral views. The other advantage is that the binocular ophthalmoscope gives examiner better access to the stereoscopic view which is advantageous due to the 3D view it gives the retinal detachment visualization.
When using a binocular instrument, the examiner gets access to stereoscopic view. This allows visualization of retinal detachment possible in three dimensions. The procedure also produces high quality stereoscopic images that are well illuminated. The complete equipment is portable. When used, the lens is held at arm's length close to the patient's eye. This sets the examiner away from the patient, which is not intimidating in the case of apprehensive patients.
The indirect type of instrument allows a wider working distance for the patient and doctor. This means that even lower powered lenses can provide larger views. It does not demand strict cooperation as is the case with its counterpart. It allows for viewing retina in far ends.
There are disadvantages of using the indirect ophthalmoscope as well, including the issues inverted horizontal and vertical images, lowered levels of magnification. Also, obtaining a perfect view can take plenty of time and requires patience. No technique is perfect, but some are quite advantageous over closely related ones. Currently, the binoculars procedure is the most preferred kind in the market based of the above advantages.
There are different characteristics of the instrument that differentiates between the two types of the procedure. For this reason, each of the procedure has its special type of instrument. The direct instrument is small, about the size of a flashlight with powerful lenses for magnification.
There are many advantages of using this indirect gadget. The first is that it provides a better view of the fundus of the eye and thus can even be seen with the lens covered with cataracts. It has condensing lenses that improves the field of view to up to 30 degrees. This makes it even better to view the retina in a peripheral way. Because of the improved way of view, you can be sure of best retinopathy assessment process using this gadget.
Utilizing an indirect funduscope has distinct advantages over its equivalent. It offers a broad perspective that renders a detailed view of the area around the eyes. This clear representation is achievable should the lens be covered by cataracts. The breadth of perspective increases by thirty degrees when facilitated by the potency of condensing lenses. By enabling a peripheral view of the retina, this approach is better, because it facilitates the retinopathy assessment process.
This instrument provides indirect illumination which enhances the pigmented lens size. The equipment is also best for viewing retina because it has monocular and binocular which facilitate peripheral views. The other advantage is that the binocular ophthalmoscope gives examiner better access to the stereoscopic view which is advantageous due to the 3D view it gives the retinal detachment visualization.
When using a binocular instrument, the examiner gets access to stereoscopic view. This allows visualization of retinal detachment possible in three dimensions. The procedure also produces high quality stereoscopic images that are well illuminated. The complete equipment is portable. When used, the lens is held at arm's length close to the patient's eye. This sets the examiner away from the patient, which is not intimidating in the case of apprehensive patients.
The indirect type of instrument allows a wider working distance for the patient and doctor. This means that even lower powered lenses can provide larger views. It does not demand strict cooperation as is the case with its counterpart. It allows for viewing retina in far ends.
There are disadvantages of using the indirect ophthalmoscope as well, including the issues inverted horizontal and vertical images, lowered levels of magnification. Also, obtaining a perfect view can take plenty of time and requires patience. No technique is perfect, but some are quite advantageous over closely related ones. Currently, the binoculars procedure is the most preferred kind in the market based of the above advantages.
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