Astigmatism: the symptoms

For some cases of very weak astigmatism, the symptoms may be absent, almost imperceptible by the person.

For a more important disorder, the symptoms of astigmatism are an imprecise, fuzzy, blurred vision ...

The astigmatic person sees poorly contrasted objects: according to the degree of astigmatism (the importance and the axis where there is a lack of convergence), it can confuse certain letters such as H, M, N, O, the B and the D.

The symptoms of astigmatism correspond to a defect of vision which can - in extreme cases, cause headaches or visual fatigue. Astigmatism can be an isolated disorder, but quite often it is associated with myopia or hyperopia. Or of course a presbyopia (difficulty to see closely with age).

After an examination by an ophthalmologist, it makes a prescription in which, it indicates the correction to perform. In case of astigmatism, it indicates in brackets the degree of importance of the astigmatism, and an angle to indicate the axis, the orientation of the astigmatism.
Example prescription for one eye: - 3.50 (+1.00) 90 °.

  • - 3.50 indicates the importance of myopia.
  • With an astigmatism of +1.00, and an angle of 90 °.

Popular Posts

Category Diseases, Next Article

Substance abuse: the causes - Diseases

Substance abuse: the causes

The causes of addiction are numerous and quite complex. Addiction affects mostly men. Sometimes, several consumptions are associated either by a ripple effect, or for sensation seeking, or to mitigate the effects of certain products. We are talking about polytoxicomania . There are factors favoring the development of addiction
Read More
Meningitis of the child: the testimony of a mother - Diseases

Meningitis of the child: the testimony of a mother

The testimony of Solange, mother of a small Yannis who has been a victim of meningitis. Your child had meningitis when he was a baby. Tell us... Yannis was five months old. He had received all his vaccinations, and he went to the nursery for a few weeks. It was winter. He directly caught a cold that turned into otitis
Read More
Undernutrition: Treatments - Diseases

Undernutrition: Treatments

We must react from the first kilos lost, if the person does not follow a particular diet. Losing weight without changing your nutritional habits suggests that there is a specific problem ... that the doctor will try to diagnose. In addition to this medical approach, the goal is to stop weight loss and recharge the muscle mass
Read More
Migraine: the advice of the specialist doctor - Diseases

Migraine: the advice of the specialist doctor

Interview with Dr. Marc Schwob, neuropsychiatrist and founder of France Migraine association. Concretely, from when should one consult for a migraine? As soon as she starts to become disabling. It is up to the migraine sufferer to decide the disability threshold. In general, I recommend to consult as soon as possible, because the faster will take care of, the more chance to get by
Read More